/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --core.log.level.for.class de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN -tc ../../../trunk/examples/toolchains/AutomizerCTransformed.xml -s ../../../trunk/examples/settings/loopacceleration/qvasr/qvasr_64.epf -i ../../../trunk/examples/svcomp/ntdrivers-simplified/kbfiltr_simpl2.cil-2.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-7968f31 [2022-03-17 23:16:09,101 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-17 23:16:09,103 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-17 23:16:09,163 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-03-17 23:16:09,163 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-03-17 23:16:09,164 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-03-17 23:16:09,165 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-03-17 23:16:09,166 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-03-17 23:16:09,167 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-03-17 23:16:09,168 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-03-17 23:16:09,168 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-03-17 23:16:09,169 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-03-17 23:16:09,169 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-17 23:16:09,170 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-17 23:16:09,171 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-17 23:16:09,177 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-17 23:16:09,177 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-17 23:16:09,181 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-17 23:16:09,186 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-17 23:16:09,191 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-17 23:16:09,193 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-03-17 23:16:09,194 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-17 23:16:09,196 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-17 23:16:09,196 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-17 23:16:09,197 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-17 23:16:09,198 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-03-17 23:16:09,199 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-03-17 23:16:09,199 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-03-17 23:16:09,199 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-03-17 23:16:09,200 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-03-17 23:16:09,200 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... 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[2022-03-17 23:16:09,203 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-17 23:16:09,204 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-17 23:16:09,205 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-17 23:16:09,205 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/loopacceleration/qvasr/qvasr_64.epf [2022-03-17 23:16:09,220 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-17 23:16:09,220 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-17 23:16:09,221 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-17 23:16:09,221 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-17 23:16:09,221 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-17 23:16:09,221 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-17 23:16:09,221 INFO L138 SettingsManager]: * Use SBE=true [2022-03-17 23:16:09,221 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-17 23:16:09,221 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-17 23:16:09,221 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-17 23:16:09,222 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-17 23:16:09,222 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-17 23:16:09,222 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-17 23:16:09,222 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-17 23:16:09,222 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-17 23:16:09,222 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-17 23:16:09,222 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-17 23:16:09,222 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-17 23:16:09,222 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-17 23:16:09,222 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-17 23:16:09,222 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-17 23:16:09,222 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-17 23:16:09,223 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-17 23:16:09,223 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-17 23:16:09,223 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-17 23:16:09,224 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-17 23:16:09,224 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-03-17 23:16:09,224 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-03-17 23:16:09,225 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-03-17 23:16:09,225 INFO L138 SettingsManager]: * TransformationType=LOOP_ACCELERATION_QVASR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-03-17 23:16:09,423 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-17 23:16:09,437 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-17 23:16:09,439 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-17 23:16:09,440 INFO L271 PluginConnector]: Initializing CDTParser... [2022-03-17 23:16:09,440 INFO L275 PluginConnector]: CDTParser initialized [2022-03-17 23:16:09,441 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ntdrivers-simplified/kbfiltr_simpl2.cil-2.c [2022-03-17 23:16:09,484 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a98ea7399/7eeb91d4339e432eacc8e0d3c865ea34/FLAG4282d7bba [2022-03-17 23:16:09,918 INFO L306 CDTParser]: Found 1 translation units. [2022-03-17 23:16:09,918 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ntdrivers-simplified/kbfiltr_simpl2.cil-2.c [2022-03-17 23:16:09,938 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a98ea7399/7eeb91d4339e432eacc8e0d3c865ea34/FLAG4282d7bba [2022-03-17 23:16:10,289 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a98ea7399/7eeb91d4339e432eacc8e0d3c865ea34 [2022-03-17 23:16:10,291 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-17 23:16:10,292 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-03-17 23:16:10,295 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-03-17 23:16:10,295 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-03-17 23:16:10,298 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-03-17 23:16:10,298 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 11:16:10" (1/1) ... [2022-03-17 23:16:10,299 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22fda1d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:16:10, skipping insertion in model container [2022-03-17 23:16:10,300 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 11:16:10" (1/1) ... [2022-03-17 23:16:10,305 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-03-17 23:16:10,346 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-03-17 23:16:10,629 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ntdrivers-simplified/kbfiltr_simpl2.cil-2.c[29656,29669] [2022-03-17 23:16:10,632 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-17 23:16:10,641 INFO L203 MainTranslator]: Completed pre-run [2022-03-17 23:16:10,715 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ntdrivers-simplified/kbfiltr_simpl2.cil-2.c[29656,29669] [2022-03-17 23:16:10,716 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-17 23:16:10,733 INFO L208 MainTranslator]: Completed translation [2022-03-17 23:16:10,733 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:16:10 WrapperNode [2022-03-17 23:16:10,735 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-03-17 23:16:10,736 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-17 23:16:10,736 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-17 23:16:10,737 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-17 23:16:10,745 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:16:10" (1/1) ... [2022-03-17 23:16:10,746 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:16:10" (1/1) ... [2022-03-17 23:16:10,763 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:16:10" (1/1) ... [2022-03-17 23:16:10,763 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:16:10" (1/1) ... [2022-03-17 23:16:10,794 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:16:10" (1/1) ... [2022-03-17 23:16:10,800 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:16:10" (1/1) ... [2022-03-17 23:16:10,802 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:16:10" (1/1) ... [2022-03-17 23:16:10,806 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-17 23:16:10,807 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-17 23:16:10,807 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-17 23:16:10,807 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-17 23:16:10,828 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:16:10" (1/1) ... [2022-03-17 23:16:10,842 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-17 23:16:10,854 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-17 23:16:10,865 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-03-17 23:16:10,873 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-03-17 23:16:10,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-03-17 23:16:10,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-17 23:16:10,892 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-03-17 23:16:10,892 INFO L138 BoogieDeclarations]: Found implementation of procedure stub_driver_init [2022-03-17 23:16:10,892 INFO L138 BoogieDeclarations]: Found implementation of procedure _BLAST_init [2022-03-17 23:16:10,892 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_PnP [2022-03-17 23:16:10,892 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-03-17 23:16:10,892 INFO L138 BoogieDeclarations]: Found implementation of procedure stubMoreProcessingRequired [2022-03-17 23:16:10,892 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCallDriver [2022-03-17 23:16:10,892 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCompleteRequest [2022-03-17 23:16:10,892 INFO L138 BoogieDeclarations]: Found implementation of procedure KeSetEvent [2022-03-17 23:16:10,893 INFO L138 BoogieDeclarations]: Found implementation of procedure KeWaitForSingleObject [2022-03-17 23:16:10,893 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_Complete [2022-03-17 23:16:10,893 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_CreateClose [2022-03-17 23:16:10,893 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_DispatchPassThrough [2022-03-17 23:16:10,893 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_Power [2022-03-17 23:16:10,893 INFO L138 BoogieDeclarations]: Found implementation of procedure PoCallDriver [2022-03-17 23:16:10,893 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_InternIoCtl [2022-03-17 23:16:10,893 INFO L138 BoogieDeclarations]: Found implementation of procedure errorFn [2022-03-17 23:16:10,893 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-03-17 23:16:10,893 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-03-17 23:16:10,893 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-03-17 23:16:10,893 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-03-17 23:16:10,893 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2022-03-17 23:16:10,894 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2022-03-17 23:16:10,894 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2022-03-17 23:16:10,894 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_PnP [2022-03-17 23:16:10,894 INFO L130 BoogieDeclarations]: Found specification of procedure IofCallDriver [2022-03-17 23:16:10,894 INFO L130 BoogieDeclarations]: Found specification of procedure KeSetEvent [2022-03-17 23:16:10,894 INFO L130 BoogieDeclarations]: Found specification of procedure KeWaitForSingleObject [2022-03-17 23:16:10,894 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_Complete [2022-03-17 23:16:10,894 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_CreateClose [2022-03-17 23:16:10,894 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_DispatchPassThrough [2022-03-17 23:16:10,894 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_Power [2022-03-17 23:16:10,894 INFO L130 BoogieDeclarations]: Found specification of procedure PoCallDriver [2022-03-17 23:16:10,894 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_InternIoCtl [2022-03-17 23:16:10,894 INFO L130 BoogieDeclarations]: Found specification of procedure errorFn [2022-03-17 23:16:10,894 INFO L130 BoogieDeclarations]: Found specification of procedure IofCompleteRequest [2022-03-17 23:16:10,895 INFO L130 BoogieDeclarations]: Found specification of procedure stub_driver_init [2022-03-17 23:16:10,895 INFO L130 BoogieDeclarations]: Found specification of procedure _BLAST_init [2022-03-17 23:16:10,895 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-03-17 23:16:10,895 INFO L130 BoogieDeclarations]: Found specification of procedure stubMoreProcessingRequired [2022-03-17 23:16:10,895 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-03-17 23:16:10,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-03-17 23:16:10,895 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-17 23:16:10,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-03-17 23:16:10,895 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-03-17 23:16:10,895 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-03-17 23:16:11,015 INFO L234 CfgBuilder]: Building ICFG [2022-03-17 23:16:11,017 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-17 23:16:11,097 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-03-17 23:16:11,166 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##18: assume false; [2022-03-17 23:16:11,166 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##19: assume !false; [2022-03-17 23:16:11,170 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-03-17 23:16:11,192 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##12: assume !false; [2022-03-17 23:16:11,192 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume false; [2022-03-17 23:16:11,239 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-03-17 23:16:11,250 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##16: assume !false; [2022-03-17 23:16:11,250 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##15: assume false; [2022-03-17 23:16:11,255 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-03-17 23:16:11,319 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##43: assume false; [2022-03-17 23:16:11,319 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##44: assume !false; [2022-03-17 23:16:11,321 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-03-17 23:16:11,334 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume !false; [2022-03-17 23:16:11,334 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##9: assume false; [2022-03-17 23:16:11,338 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-03-17 23:16:11,352 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##12: assume !false; [2022-03-17 23:16:11,353 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume false; [2022-03-17 23:16:11,369 INFO L275 CfgBuilder]: Performing block encoding [2022-03-17 23:16:11,375 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-17 23:16:11,375 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-03-17 23:16:11,377 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.03 11:16:11 BoogieIcfgContainer [2022-03-17 23:16:11,377 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-17 23:16:11,378 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-03-17 23:16:11,378 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-03-17 23:16:11,379 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-03-17 23:16:11,381 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.03 11:16:11" (1/1) ... [2022-03-17 23:16:11,406 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 17.03 11:16:11 BasicIcfg [2022-03-17 23:16:11,406 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2022-03-17 23:16:11,407 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-17 23:16:11,407 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-17 23:16:11,409 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-17 23:16:11,409 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.03 11:16:10" (1/4) ... [2022-03-17 23:16:11,410 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@177994f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 11:16:11, skipping insertion in model container [2022-03-17 23:16:11,410 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:16:10" (2/4) ... [2022-03-17 23:16:11,410 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@177994f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 11:16:11, skipping insertion in model container [2022-03-17 23:16:11,410 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.03 11:16:11" (3/4) ... [2022-03-17 23:16:11,410 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@177994f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.03 11:16:11, skipping insertion in model container [2022-03-17 23:16:11,410 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 17.03 11:16:11" (4/4) ... [2022-03-17 23:16:11,411 INFO L111 eAbstractionObserver]: Analyzing ICFG kbfiltr_simpl2.cil-2.cqvasr [2022-03-17 23:16:11,415 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-17 23:16:11,415 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-17 23:16:11,444 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-17 23:16:11,449 INFO L340 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP [2022-03-17 23:16:11,449 INFO L341 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-03-17 23:16:11,480 INFO L276 IsEmpty]: Start isEmpty. Operand has 240 states, 182 states have (on average 1.5604395604395604) internal successors, (284), 200 states have internal predecessors, (284), 39 states have call successors, (39), 17 states have call predecessors, (39), 17 states have return successors, (39), 37 states have call predecessors, (39), 39 states have call successors, (39) [2022-03-17 23:16:11,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-03-17 23:16:11,484 INFO L492 BasicCegarLoop]: Found error trace [2022-03-17 23:16:11,484 INFO L500 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-17 23:16:11,485 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-17 23:16:11,493 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-17 23:16:11,493 INFO L85 PathProgramCache]: Analyzing trace with hash -596457689, now seen corresponding path program 1 times [2022-03-17 23:16:11,499 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-17 23:16:11,499 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1252582809] [2022-03-17 23:16:11,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-17 23:16:11,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-17 23:16:11,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:16:11,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-17 23:16:11,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:16:11,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-03-17 23:16:11,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:16:11,873 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-17 23:16:11,874 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-17 23:16:11,874 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1252582809] [2022-03-17 23:16:11,875 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1252582809] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-17 23:16:11,875 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-17 23:16:11,875 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-17 23:16:11,876 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2132663066] [2022-03-17 23:16:11,876 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-17 23:16:11,879 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-17 23:16:11,879 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-17 23:16:11,900 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-17 23:16:11,901 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-03-17 23:16:11,905 INFO L87 Difference]: Start difference. First operand has 240 states, 182 states have (on average 1.5604395604395604) internal successors, (284), 200 states have internal predecessors, (284), 39 states have call successors, (39), 17 states have call predecessors, (39), 17 states have return successors, (39), 37 states have call predecessors, (39), 39 states have call successors, (39) Second operand has 5 states, 5 states have (on average 2.8) internal successors, (14), 3 states have internal predecessors, (14), 3 states have call successors, (4), 4 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-03-17 23:16:12,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-17 23:16:12,464 INFO L93 Difference]: Finished difference Result 417 states and 628 transitions. [2022-03-17 23:16:12,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-17 23:16:12,466 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.8) internal successors, (14), 3 states have internal predecessors, (14), 3 states have call successors, (4), 4 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 20 [2022-03-17 23:16:12,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-17 23:16:12,473 INFO L225 Difference]: With dead ends: 417 [2022-03-17 23:16:12,473 INFO L226 Difference]: Without dead ends: 259 [2022-03-17 23:16:12,477 INFO L911 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-03-17 23:16:12,479 INFO L912 BasicCegarLoop]: 297 mSDtfsCounter, 328 mSDsluCounter, 147 mSDsCounter, 0 mSdLazyCounter, 410 mSolverCounterSat, 81 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 334 SdHoareTripleChecker+Valid, 444 SdHoareTripleChecker+Invalid, 491 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 81 IncrementalHoareTripleChecker+Valid, 410 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-03-17 23:16:12,480 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [334 Valid, 444 Invalid, 491 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [81 Valid, 410 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-17 23:16:12,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 259 states. [2022-03-17 23:16:12,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 259 to 231. [2022-03-17 23:16:12,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 231 states, 176 states have (on average 1.4943181818181819) internal successors, (263), 192 states have internal predecessors, (263), 39 states have call successors, (39), 17 states have call predecessors, (39), 15 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2022-03-17 23:16:12,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 231 states and 326 transitions. [2022-03-17 23:16:12,556 INFO L78 Accepts]: Start accepts. Automaton has 231 states and 326 transitions. Word has length 20 [2022-03-17 23:16:12,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-17 23:16:12,557 INFO L478 AbstractCegarLoop]: Abstraction has 231 states and 326 transitions. [2022-03-17 23:16:12,557 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.8) internal successors, (14), 3 states have internal predecessors, (14), 3 states have call successors, (4), 4 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-03-17 23:16:12,557 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 326 transitions. [2022-03-17 23:16:12,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-03-17 23:16:12,558 INFO L492 BasicCegarLoop]: Found error trace [2022-03-17 23:16:12,558 INFO L500 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-17 23:16:12,558 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-03-17 23:16:12,558 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-17 23:16:12,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-17 23:16:12,559 INFO L85 PathProgramCache]: Analyzing trace with hash -1037432085, now seen corresponding path program 1 times [2022-03-17 23:16:12,559 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-17 23:16:12,559 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1390848512] [2022-03-17 23:16:12,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-17 23:16:12,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-17 23:16:12,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:16:12,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-17 23:16:12,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:16:12,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-03-17 23:16:12,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:16:12,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-03-17 23:16:12,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:16:12,727 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-17 23:16:12,727 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-17 23:16:12,727 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1390848512] [2022-03-17 23:16:12,728 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1390848512] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-17 23:16:12,728 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-17 23:16:12,728 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-03-17 23:16:12,728 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1216360193] [2022-03-17 23:16:12,728 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-17 23:16:12,729 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-17 23:16:12,729 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-17 23:16:12,730 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-17 23:16:12,730 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-03-17 23:16:12,730 INFO L87 Difference]: Start difference. First operand 231 states and 326 transitions. Second operand has 6 states, 6 states have (on average 3.0) internal successors, (18), 3 states have internal predecessors, (18), 3 states have call successors, (7), 6 states have call predecessors, (7), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2022-03-17 23:16:13,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-17 23:16:13,305 INFO L93 Difference]: Finished difference Result 410 states and 565 transitions. [2022-03-17 23:16:13,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-17 23:16:13,306 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.0) internal successors, (18), 3 states have internal predecessors, (18), 3 states have call successors, (7), 6 states have call predecessors, (7), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 28 [2022-03-17 23:16:13,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-17 23:16:13,308 INFO L225 Difference]: With dead ends: 410 [2022-03-17 23:16:13,308 INFO L226 Difference]: Without dead ends: 349 [2022-03-17 23:16:13,309 INFO L911 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2022-03-17 23:16:13,310 INFO L912 BasicCegarLoop]: 359 mSDtfsCounter, 535 mSDsluCounter, 140 mSDsCounter, 0 mSdLazyCounter, 593 mSolverCounterSat, 95 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 535 SdHoareTripleChecker+Valid, 499 SdHoareTripleChecker+Invalid, 688 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 95 IncrementalHoareTripleChecker+Valid, 593 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-03-17 23:16:13,310 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [535 Valid, 499 Invalid, 688 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [95 Valid, 593 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-03-17 23:16:13,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 349 states. [2022-03-17 23:16:13,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 349 to 304. [2022-03-17 23:16:13,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 304 states, 239 states have (on average 1.393305439330544) internal successors, (333), 243 states have internal predecessors, (333), 38 states have call successors, (38), 23 states have call predecessors, (38), 26 states have return successors, (44), 40 states have call predecessors, (44), 29 states have call successors, (44) [2022-03-17 23:16:13,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 304 states and 415 transitions. [2022-03-17 23:16:13,362 INFO L78 Accepts]: Start accepts. Automaton has 304 states and 415 transitions. Word has length 28 [2022-03-17 23:16:13,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-17 23:16:13,362 INFO L478 AbstractCegarLoop]: Abstraction has 304 states and 415 transitions. [2022-03-17 23:16:13,362 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.0) internal successors, (18), 3 states have internal predecessors, (18), 3 states have call successors, (7), 6 states have call predecessors, (7), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2022-03-17 23:16:13,362 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 415 transitions. [2022-03-17 23:16:13,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-03-17 23:16:13,363 INFO L492 BasicCegarLoop]: Found error trace [2022-03-17 23:16:13,363 INFO L500 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-17 23:16:13,363 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-03-17 23:16:13,363 INFO L403 AbstractCegarLoop]: === Iteration 3 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-17 23:16:13,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-17 23:16:13,364 INFO L85 PathProgramCache]: Analyzing trace with hash -1384464757, now seen corresponding path program 1 times [2022-03-17 23:16:13,364 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-17 23:16:13,364 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1820541818] [2022-03-17 23:16:13,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-17 23:16:13,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-17 23:16:13,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:16:13,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-17 23:16:13,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:16:13,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-03-17 23:16:13,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:16:13,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-03-17 23:16:13,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:16:13,475 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-17 23:16:13,476 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-17 23:16:13,476 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1820541818] [2022-03-17 23:16:13,477 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1820541818] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-17 23:16:13,477 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-17 23:16:13,477 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-03-17 23:16:13,477 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1405929089] [2022-03-17 23:16:13,477 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-17 23:16:13,478 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-17 23:16:13,478 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-17 23:16:13,478 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-17 23:16:13,478 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-03-17 23:16:13,479 INFO L87 Difference]: Start difference. First operand 304 states and 415 transitions. Second operand has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 3 states have internal predecessors, (19), 3 states have call successors, (6), 6 states have call predecessors, (6), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2022-03-17 23:16:13,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-17 23:16:13,804 INFO L93 Difference]: Finished difference Result 487 states and 647 transitions. [2022-03-17 23:16:13,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-17 23:16:13,805 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 3 states have internal predecessors, (19), 3 states have call successors, (6), 6 states have call predecessors, (6), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 28 [2022-03-17 23:16:13,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-17 23:16:13,807 INFO L225 Difference]: With dead ends: 487 [2022-03-17 23:16:13,807 INFO L226 Difference]: Without dead ends: 368 [2022-03-17 23:16:13,807 INFO L911 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2022-03-17 23:16:13,808 INFO L912 BasicCegarLoop]: 267 mSDtfsCounter, 574 mSDsluCounter, 98 mSDsCounter, 0 mSdLazyCounter, 204 mSolverCounterSat, 101 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 574 SdHoareTripleChecker+Valid, 365 SdHoareTripleChecker+Invalid, 305 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 101 IncrementalHoareTripleChecker+Valid, 204 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-17 23:16:13,809 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [574 Valid, 365 Invalid, 305 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [101 Valid, 204 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-17 23:16:13,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 368 states. [2022-03-17 23:16:13,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 368 to 344. [2022-03-17 23:16:13,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 344 states, 280 states have (on average 1.3857142857142857) internal successors, (388), 282 states have internal predecessors, (388), 34 states have call successors, (34), 23 states have call predecessors, (34), 29 states have return successors, (44), 39 states have call predecessors, (44), 27 states have call successors, (44) [2022-03-17 23:16:13,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 344 states and 466 transitions. [2022-03-17 23:16:13,825 INFO L78 Accepts]: Start accepts. Automaton has 344 states and 466 transitions. Word has length 28 [2022-03-17 23:16:13,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-17 23:16:13,826 INFO L478 AbstractCegarLoop]: Abstraction has 344 states and 466 transitions. [2022-03-17 23:16:13,826 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 3 states have internal predecessors, (19), 3 states have call successors, (6), 6 states have call predecessors, (6), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2022-03-17 23:16:13,826 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 466 transitions. [2022-03-17 23:16:13,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-03-17 23:16:13,827 INFO L492 BasicCegarLoop]: Found error trace [2022-03-17 23:16:13,827 INFO L500 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-17 23:16:13,828 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-03-17 23:16:13,828 INFO L403 AbstractCegarLoop]: === Iteration 4 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-17 23:16:13,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-17 23:16:13,828 INFO L85 PathProgramCache]: Analyzing trace with hash 445761920, now seen corresponding path program 1 times [2022-03-17 23:16:13,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-17 23:16:13,828 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1903780008] [2022-03-17 23:16:13,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-17 23:16:13,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-17 23:16:13,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:16:13,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-17 23:16:13,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:16:13,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-03-17 23:16:13,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:16:13,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-03-17 23:16:13,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:16:13,936 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-17 23:16:13,936 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-17 23:16:13,936 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1903780008] [2022-03-17 23:16:13,936 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1903780008] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-17 23:16:13,936 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-17 23:16:13,937 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-03-17 23:16:13,937 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [141729718] [2022-03-17 23:16:13,937 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-17 23:16:13,937 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-17 23:16:13,937 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-17 23:16:13,937 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-17 23:16:13,938 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-03-17 23:16:13,938 INFO L87 Difference]: Start difference. First operand 344 states and 466 transitions. Second operand has 6 states, 6 states have (on average 4.5) internal successors, (27), 3 states have internal predecessors, (27), 3 states have call successors, (8), 6 states have call predecessors, (8), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-03-17 23:16:14,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-17 23:16:14,286 INFO L93 Difference]: Finished difference Result 347 states and 468 transitions. [2022-03-17 23:16:14,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-17 23:16:14,287 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.5) internal successors, (27), 3 states have internal predecessors, (27), 3 states have call successors, (8), 6 states have call predecessors, (8), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 38 [2022-03-17 23:16:14,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-17 23:16:14,288 INFO L225 Difference]: With dead ends: 347 [2022-03-17 23:16:14,288 INFO L226 Difference]: Without dead ends: 343 [2022-03-17 23:16:14,289 INFO L911 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-03-17 23:16:14,290 INFO L912 BasicCegarLoop]: 268 mSDtfsCounter, 343 mSDsluCounter, 124 mSDsCounter, 0 mSdLazyCounter, 334 mSolverCounterSat, 62 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 343 SdHoareTripleChecker+Valid, 392 SdHoareTripleChecker+Invalid, 396 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 334 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-17 23:16:14,290 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [343 Valid, 392 Invalid, 396 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 334 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-17 23:16:14,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 343 states. [2022-03-17 23:16:14,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 343 to 343. [2022-03-17 23:16:14,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 343 states, 280 states have (on average 1.3785714285714286) internal successors, (386), 281 states have internal predecessors, (386), 33 states have call successors, (33), 23 states have call predecessors, (33), 29 states have return successors, (44), 39 states have call predecessors, (44), 27 states have call successors, (44) [2022-03-17 23:16:14,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 343 states and 463 transitions. [2022-03-17 23:16:14,305 INFO L78 Accepts]: Start accepts. Automaton has 343 states and 463 transitions. Word has length 38 [2022-03-17 23:16:14,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-17 23:16:14,305 INFO L478 AbstractCegarLoop]: Abstraction has 343 states and 463 transitions. [2022-03-17 23:16:14,305 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.5) internal successors, (27), 3 states have internal predecessors, (27), 3 states have call successors, (8), 6 states have call predecessors, (8), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-03-17 23:16:14,305 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 463 transitions. [2022-03-17 23:16:14,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-03-17 23:16:14,307 INFO L492 BasicCegarLoop]: Found error trace [2022-03-17 23:16:14,307 INFO L500 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-17 23:16:14,307 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-03-17 23:16:14,307 INFO L403 AbstractCegarLoop]: === Iteration 5 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-17 23:16:14,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-17 23:16:14,307 INFO L85 PathProgramCache]: Analyzing trace with hash -1662306322, now seen corresponding path program 1 times [2022-03-17 23:16:14,307 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-17 23:16:14,308 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1930686693] [2022-03-17 23:16:14,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-17 23:16:14,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-17 23:16:14,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:16:14,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-17 23:16:14,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:16:14,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-03-17 23:16:14,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:16:14,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-03-17 23:16:14,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:16:14,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-03-17 23:16:14,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:16:14,436 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-17 23:16:14,437 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-17 23:16:14,437 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1930686693] [2022-03-17 23:16:14,437 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1930686693] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-17 23:16:14,437 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-17 23:16:14,437 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-03-17 23:16:14,437 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1757636523] [2022-03-17 23:16:14,437 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-17 23:16:14,438 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-03-17 23:16:14,438 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-17 23:16:14,438 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-03-17 23:16:14,438 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2022-03-17 23:16:14,438 INFO L87 Difference]: Start difference. First operand 343 states and 463 transitions. Second operand has 8 states, 8 states have (on average 4.25) internal successors, (34), 4 states have internal predecessors, (34), 3 states have call successors, (8), 6 states have call predecessors, (8), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-03-17 23:16:14,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-17 23:16:14,889 INFO L93 Difference]: Finished difference Result 394 states and 520 transitions. [2022-03-17 23:16:14,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-17 23:16:14,890 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.25) internal successors, (34), 4 states have internal predecessors, (34), 3 states have call successors, (8), 6 states have call predecessors, (8), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 46 [2022-03-17 23:16:14,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-17 23:16:14,892 INFO L225 Difference]: With dead ends: 394 [2022-03-17 23:16:14,892 INFO L226 Difference]: Without dead ends: 325 [2022-03-17 23:16:14,892 INFO L911 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2022-03-17 23:16:14,893 INFO L912 BasicCegarLoop]: 306 mSDtfsCounter, 605 mSDsluCounter, 228 mSDsCounter, 0 mSdLazyCounter, 353 mSolverCounterSat, 91 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 605 SdHoareTripleChecker+Valid, 534 SdHoareTripleChecker+Invalid, 444 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 91 IncrementalHoareTripleChecker+Valid, 353 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-17 23:16:14,893 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [605 Valid, 534 Invalid, 444 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [91 Valid, 353 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-17 23:16:14,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 325 states. [2022-03-17 23:16:14,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 325 to 304. [2022-03-17 23:16:14,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 304 states, 246 states have (on average 1.3699186991869918) internal successors, (337), 247 states have internal predecessors, (337), 30 states have call successors, (30), 21 states have call predecessors, (30), 27 states have return successors, (39), 36 states have call predecessors, (39), 24 states have call successors, (39) [2022-03-17 23:16:14,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 304 states and 406 transitions. [2022-03-17 23:16:14,909 INFO L78 Accepts]: Start accepts. Automaton has 304 states and 406 transitions. Word has length 46 [2022-03-17 23:16:14,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-17 23:16:14,909 INFO L478 AbstractCegarLoop]: Abstraction has 304 states and 406 transitions. [2022-03-17 23:16:14,909 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.25) internal successors, (34), 4 states have internal predecessors, (34), 3 states have call successors, (8), 6 states have call predecessors, (8), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-03-17 23:16:14,909 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 406 transitions. [2022-03-17 23:16:14,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-03-17 23:16:14,910 INFO L492 BasicCegarLoop]: Found error trace [2022-03-17 23:16:14,911 INFO L500 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-17 23:16:14,911 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-03-17 23:16:14,911 INFO L403 AbstractCegarLoop]: === Iteration 6 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-17 23:16:14,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-17 23:16:14,911 INFO L85 PathProgramCache]: Analyzing trace with hash 1931812075, now seen corresponding path program 1 times [2022-03-17 23:16:14,911 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-17 23:16:14,912 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [502735421] [2022-03-17 23:16:14,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-17 23:16:14,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-17 23:16:14,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:16:14,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-17 23:16:14,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:16:15,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-03-17 23:16:15,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:16:15,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-03-17 23:16:15,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:16:15,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-03-17 23:16:15,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:16:15,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-03-17 23:16:15,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:16:15,092 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-17 23:16:15,092 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-17 23:16:15,093 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [502735421] [2022-03-17 23:16:15,093 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [502735421] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-17 23:16:15,093 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-17 23:16:15,093 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-17 23:16:15,093 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [330615912] [2022-03-17 23:16:15,093 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-17 23:16:15,093 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-03-17 23:16:15,093 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-17 23:16:15,094 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-03-17 23:16:15,094 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2022-03-17 23:16:15,094 INFO L87 Difference]: Start difference. First operand 304 states and 406 transitions. Second operand has 12 states, 12 states have (on average 2.75) internal successors, (33), 7 states have internal predecessors, (33), 3 states have call successors, (7), 7 states have call predecessors, (7), 4 states have return successors, (5), 4 states have call predecessors, (5), 2 states have call successors, (5) [2022-03-17 23:16:15,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-17 23:16:15,776 INFO L93 Difference]: Finished difference Result 334 states and 440 transitions. [2022-03-17 23:16:15,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-03-17 23:16:15,776 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 2.75) internal successors, (33), 7 states have internal predecessors, (33), 3 states have call successors, (7), 7 states have call predecessors, (7), 4 states have return successors, (5), 4 states have call predecessors, (5), 2 states have call successors, (5) Word has length 45 [2022-03-17 23:16:15,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-17 23:16:15,778 INFO L225 Difference]: With dead ends: 334 [2022-03-17 23:16:15,778 INFO L226 Difference]: Without dead ends: 325 [2022-03-17 23:16:15,778 INFO L911 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=98, Invalid=244, Unknown=0, NotChecked=0, Total=342 [2022-03-17 23:16:15,779 INFO L912 BasicCegarLoop]: 255 mSDtfsCounter, 662 mSDsluCounter, 239 mSDsCounter, 0 mSdLazyCounter, 642 mSolverCounterSat, 117 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 664 SdHoareTripleChecker+Valid, 494 SdHoareTripleChecker+Invalid, 759 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 117 IncrementalHoareTripleChecker+Valid, 642 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-03-17 23:16:15,779 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [664 Valid, 494 Invalid, 759 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [117 Valid, 642 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-17 23:16:15,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 325 states. [2022-03-17 23:16:15,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 325 to 320. [2022-03-17 23:16:15,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 320 states, 260 states have (on average 1.3615384615384616) internal successors, (354), 260 states have internal predecessors, (354), 30 states have call successors, (30), 21 states have call predecessors, (30), 29 states have return successors, (41), 38 states have call predecessors, (41), 24 states have call successors, (41) [2022-03-17 23:16:15,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 320 states and 425 transitions. [2022-03-17 23:16:15,794 INFO L78 Accepts]: Start accepts. Automaton has 320 states and 425 transitions. Word has length 45 [2022-03-17 23:16:15,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-17 23:16:15,794 INFO L478 AbstractCegarLoop]: Abstraction has 320 states and 425 transitions. [2022-03-17 23:16:15,795 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 2.75) internal successors, (33), 7 states have internal predecessors, (33), 3 states have call successors, (7), 7 states have call predecessors, (7), 4 states have return successors, (5), 4 states have call predecessors, (5), 2 states have call successors, (5) [2022-03-17 23:16:15,795 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 425 transitions. [2022-03-17 23:16:15,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-03-17 23:16:15,796 INFO L492 BasicCegarLoop]: Found error trace [2022-03-17 23:16:15,796 INFO L500 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-17 23:16:15,796 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-03-17 23:16:15,796 INFO L403 AbstractCegarLoop]: === Iteration 7 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-17 23:16:15,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-17 23:16:15,796 INFO L85 PathProgramCache]: Analyzing trace with hash -273230455, now seen corresponding path program 1 times [2022-03-17 23:16:15,796 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-17 23:16:15,796 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [330963181] [2022-03-17 23:16:15,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-17 23:16:15,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-17 23:16:15,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:16:15,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-17 23:16:15,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:16:15,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-03-17 23:16:15,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:16:15,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-03-17 23:16:15,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:16:15,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-03-17 23:16:15,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:16:15,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-03-17 23:16:15,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:16:15,975 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-17 23:16:15,976 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-17 23:16:15,976 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [330963181] [2022-03-17 23:16:15,976 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [330963181] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-17 23:16:15,976 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-17 23:16:15,976 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-17 23:16:15,976 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [646154660] [2022-03-17 23:16:15,976 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-17 23:16:15,976 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-03-17 23:16:15,977 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-17 23:16:15,977 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-03-17 23:16:15,977 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2022-03-17 23:16:15,977 INFO L87 Difference]: Start difference. First operand 320 states and 425 transitions. Second operand has 12 states, 12 states have (on average 2.8333333333333335) internal successors, (34), 7 states have internal predecessors, (34), 3 states have call successors, (7), 7 states have call predecessors, (7), 4 states have return successors, (5), 4 states have call predecessors, (5), 2 states have call successors, (5) [2022-03-17 23:16:16,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-17 23:16:16,605 INFO L93 Difference]: Finished difference Result 330 states and 433 transitions. [2022-03-17 23:16:16,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-03-17 23:16:16,605 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 2.8333333333333335) internal successors, (34), 7 states have internal predecessors, (34), 3 states have call successors, (7), 7 states have call predecessors, (7), 4 states have return successors, (5), 4 states have call predecessors, (5), 2 states have call successors, (5) Word has length 46 [2022-03-17 23:16:16,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-17 23:16:16,608 INFO L225 Difference]: With dead ends: 330 [2022-03-17 23:16:16,608 INFO L226 Difference]: Without dead ends: 325 [2022-03-17 23:16:16,608 INFO L911 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=98, Invalid=244, Unknown=0, NotChecked=0, Total=342 [2022-03-17 23:16:16,610 INFO L912 BasicCegarLoop]: 256 mSDtfsCounter, 1070 mSDsluCounter, 252 mSDsCounter, 0 mSdLazyCounter, 544 mSolverCounterSat, 213 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1072 SdHoareTripleChecker+Valid, 508 SdHoareTripleChecker+Invalid, 757 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 213 IncrementalHoareTripleChecker+Valid, 544 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-03-17 23:16:16,611 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [1072 Valid, 508 Invalid, 757 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [213 Valid, 544 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-17 23:16:16,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 325 states. [2022-03-17 23:16:16,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 325 to 320. [2022-03-17 23:16:16,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 320 states, 260 states have (on average 1.3576923076923078) internal successors, (353), 260 states have internal predecessors, (353), 30 states have call successors, (30), 21 states have call predecessors, (30), 29 states have return successors, (41), 38 states have call predecessors, (41), 24 states have call successors, (41) [2022-03-17 23:16:16,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 320 states and 424 transitions. [2022-03-17 23:16:16,632 INFO L78 Accepts]: Start accepts. Automaton has 320 states and 424 transitions. Word has length 46 [2022-03-17 23:16:16,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-17 23:16:16,632 INFO L478 AbstractCegarLoop]: Abstraction has 320 states and 424 transitions. [2022-03-17 23:16:16,632 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 2.8333333333333335) internal successors, (34), 7 states have internal predecessors, (34), 3 states have call successors, (7), 7 states have call predecessors, (7), 4 states have return successors, (5), 4 states have call predecessors, (5), 2 states have call successors, (5) [2022-03-17 23:16:16,632 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 424 transitions. [2022-03-17 23:16:16,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-03-17 23:16:16,633 INFO L492 BasicCegarLoop]: Found error trace [2022-03-17 23:16:16,634 INFO L500 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-17 23:16:16,634 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-03-17 23:16:16,634 INFO L403 AbstractCegarLoop]: === Iteration 8 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-17 23:16:16,634 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-17 23:16:16,634 INFO L85 PathProgramCache]: Analyzing trace with hash 98239540, now seen corresponding path program 1 times [2022-03-17 23:16:16,634 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-17 23:16:16,634 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1827265702] [2022-03-17 23:16:16,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-17 23:16:16,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-17 23:16:16,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:16:16,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-17 23:16:16,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:16:16,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-03-17 23:16:16,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:16:16,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-03-17 23:16:16,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:16:16,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-03-17 23:16:16,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:16:16,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-03-17 23:16:16,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:16:16,758 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-17 23:16:16,758 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-17 23:16:16,758 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1827265702] [2022-03-17 23:16:16,758 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1827265702] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-17 23:16:16,758 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-17 23:16:16,758 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-03-17 23:16:16,758 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1442825450] [2022-03-17 23:16:16,758 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-17 23:16:16,759 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-03-17 23:16:16,759 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-17 23:16:16,760 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-03-17 23:16:16,760 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2022-03-17 23:16:16,760 INFO L87 Difference]: Start difference. First operand 320 states and 424 transitions. Second operand has 8 states, 8 states have (on average 4.375) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (7), 7 states have call predecessors, (7), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2022-03-17 23:16:17,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-17 23:16:17,087 INFO L93 Difference]: Finished difference Result 338 states and 446 transitions. [2022-03-17 23:16:17,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-17 23:16:17,088 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.375) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (7), 7 states have call predecessors, (7), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 47 [2022-03-17 23:16:17,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-17 23:16:17,092 INFO L225 Difference]: With dead ends: 338 [2022-03-17 23:16:17,092 INFO L226 Difference]: Without dead ends: 272 [2022-03-17 23:16:17,092 INFO L911 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=49, Invalid=83, Unknown=0, NotChecked=0, Total=132 [2022-03-17 23:16:17,093 INFO L912 BasicCegarLoop]: 250 mSDtfsCounter, 726 mSDsluCounter, 157 mSDsCounter, 0 mSdLazyCounter, 297 mSolverCounterSat, 119 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 726 SdHoareTripleChecker+Valid, 407 SdHoareTripleChecker+Invalid, 416 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 119 IncrementalHoareTripleChecker+Valid, 297 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-17 23:16:17,093 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [726 Valid, 407 Invalid, 416 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [119 Valid, 297 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-17 23:16:17,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 272 states. [2022-03-17 23:16:17,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 272 to 242. [2022-03-17 23:16:17,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 242 states, 198 states have (on average 1.378787878787879) internal successors, (273), 201 states have internal predecessors, (273), 27 states have call successors, (27), 19 states have call predecessors, (27), 16 states have return successors, (21), 21 states have call predecessors, (21), 20 states have call successors, (21) [2022-03-17 23:16:17,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 242 states and 321 transitions. [2022-03-17 23:16:17,110 INFO L78 Accepts]: Start accepts. Automaton has 242 states and 321 transitions. Word has length 47 [2022-03-17 23:16:17,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-17 23:16:17,112 INFO L478 AbstractCegarLoop]: Abstraction has 242 states and 321 transitions. [2022-03-17 23:16:17,112 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.375) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (7), 7 states have call predecessors, (7), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2022-03-17 23:16:17,112 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 321 transitions. [2022-03-17 23:16:17,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-03-17 23:16:17,114 INFO L492 BasicCegarLoop]: Found error trace [2022-03-17 23:16:17,114 INFO L500 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-17 23:16:17,114 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-03-17 23:16:17,114 INFO L403 AbstractCegarLoop]: === Iteration 9 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-17 23:16:17,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-17 23:16:17,115 INFO L85 PathProgramCache]: Analyzing trace with hash 1466269870, now seen corresponding path program 1 times [2022-03-17 23:16:17,115 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-17 23:16:17,115 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [671160244] [2022-03-17 23:16:17,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-17 23:16:17,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-17 23:16:17,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:16:17,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-17 23:16:17,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:16:17,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-03-17 23:16:17,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:16:17,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-03-17 23:16:17,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:16:17,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-03-17 23:16:17,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:16:17,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-03-17 23:16:17,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:16:17,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-03-17 23:16:17,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:16:17,240 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-17 23:16:17,240 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-17 23:16:17,240 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [671160244] [2022-03-17 23:16:17,240 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [671160244] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-17 23:16:17,240 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-17 23:16:17,240 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-03-17 23:16:17,241 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [593181726] [2022-03-17 23:16:17,241 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-17 23:16:17,241 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-03-17 23:16:17,241 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-17 23:16:17,241 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-03-17 23:16:17,241 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-03-17 23:16:17,241 INFO L87 Difference]: Start difference. First operand 242 states and 321 transitions. Second operand has 8 states, 8 states have (on average 4.625) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (10), 7 states have call predecessors, (10), 2 states have return successors, (6), 2 states have call predecessors, (6), 1 states have call successors, (6) [2022-03-17 23:16:17,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-17 23:16:17,595 INFO L93 Difference]: Finished difference Result 270 states and 354 transitions. [2022-03-17 23:16:17,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-17 23:16:17,595 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.625) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (10), 7 states have call predecessors, (10), 2 states have return successors, (6), 2 states have call predecessors, (6), 1 states have call successors, (6) Word has length 53 [2022-03-17 23:16:17,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-17 23:16:17,596 INFO L225 Difference]: With dead ends: 270 [2022-03-17 23:16:17,596 INFO L226 Difference]: Without dead ends: 240 [2022-03-17 23:16:17,597 INFO L911 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=67, Unknown=0, NotChecked=0, Total=110 [2022-03-17 23:16:17,597 INFO L912 BasicCegarLoop]: 243 mSDtfsCounter, 629 mSDsluCounter, 218 mSDsCounter, 0 mSdLazyCounter, 318 mSolverCounterSat, 126 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 629 SdHoareTripleChecker+Valid, 461 SdHoareTripleChecker+Invalid, 444 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 126 IncrementalHoareTripleChecker+Valid, 318 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-17 23:16:17,597 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [629 Valid, 461 Invalid, 444 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [126 Valid, 318 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-17 23:16:17,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 240 states. [2022-03-17 23:16:17,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 240 to 240. [2022-03-17 23:16:17,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 240 states, 197 states have (on average 1.3705583756345177) internal successors, (270), 199 states have internal predecessors, (270), 26 states have call successors, (26), 19 states have call predecessors, (26), 16 states have return successors, (21), 21 states have call predecessors, (21), 20 states have call successors, (21) [2022-03-17 23:16:17,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 240 states and 317 transitions. [2022-03-17 23:16:17,610 INFO L78 Accepts]: Start accepts. Automaton has 240 states and 317 transitions. Word has length 53 [2022-03-17 23:16:17,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-17 23:16:17,610 INFO L478 AbstractCegarLoop]: Abstraction has 240 states and 317 transitions. [2022-03-17 23:16:17,610 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.625) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (10), 7 states have call predecessors, (10), 2 states have return successors, (6), 2 states have call predecessors, (6), 1 states have call successors, (6) [2022-03-17 23:16:17,610 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 317 transitions. [2022-03-17 23:16:17,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-03-17 23:16:17,611 INFO L492 BasicCegarLoop]: Found error trace [2022-03-17 23:16:17,611 INFO L500 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-17 23:16:17,611 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-03-17 23:16:17,611 INFO L403 AbstractCegarLoop]: === Iteration 10 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-17 23:16:17,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-17 23:16:17,611 INFO L85 PathProgramCache]: Analyzing trace with hash -614114349, now seen corresponding path program 1 times [2022-03-17 23:16:17,611 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-17 23:16:17,611 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1866011154] [2022-03-17 23:16:17,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-17 23:16:17,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-17 23:16:17,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:16:17,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-17 23:16:17,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:16:17,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-03-17 23:16:17,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:16:17,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-03-17 23:16:17,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:16:17,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-03-17 23:16:17,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:16:17,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-03-17 23:16:17,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:16:17,754 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-17 23:16:17,754 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-17 23:16:17,754 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1866011154] [2022-03-17 23:16:17,754 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1866011154] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-17 23:16:17,754 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-17 23:16:17,754 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-03-17 23:16:17,754 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1671477282] [2022-03-17 23:16:17,754 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-17 23:16:17,755 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-03-17 23:16:17,755 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-17 23:16:17,755 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-03-17 23:16:17,755 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2022-03-17 23:16:17,755 INFO L87 Difference]: Start difference. First operand 240 states and 317 transitions. Second operand has 11 states, 11 states have (on average 3.5454545454545454) internal successors, (39), 7 states have internal predecessors, (39), 4 states have call successors, (7), 6 states have call predecessors, (7), 4 states have return successors, (5), 4 states have call predecessors, (5), 3 states have call successors, (5) [2022-03-17 23:16:18,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-17 23:16:18,520 INFO L93 Difference]: Finished difference Result 284 states and 365 transitions. [2022-03-17 23:16:18,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-03-17 23:16:18,520 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 3.5454545454545454) internal successors, (39), 7 states have internal predecessors, (39), 4 states have call successors, (7), 6 states have call predecessors, (7), 4 states have return successors, (5), 4 states have call predecessors, (5), 3 states have call successors, (5) Word has length 51 [2022-03-17 23:16:18,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-17 23:16:18,521 INFO L225 Difference]: With dead ends: 284 [2022-03-17 23:16:18,522 INFO L226 Difference]: Without dead ends: 243 [2022-03-17 23:16:18,522 INFO L911 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=109, Invalid=311, Unknown=0, NotChecked=0, Total=420 [2022-03-17 23:16:18,522 INFO L912 BasicCegarLoop]: 252 mSDtfsCounter, 799 mSDsluCounter, 341 mSDsCounter, 0 mSdLazyCounter, 741 mSolverCounterSat, 165 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 804 SdHoareTripleChecker+Valid, 593 SdHoareTripleChecker+Invalid, 906 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 165 IncrementalHoareTripleChecker+Valid, 741 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-03-17 23:16:18,523 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [804 Valid, 593 Invalid, 906 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [165 Valid, 741 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-03-17 23:16:18,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 243 states. [2022-03-17 23:16:18,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 243 to 240. [2022-03-17 23:16:18,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 240 states, 197 states have (on average 1.3604060913705585) internal successors, (268), 199 states have internal predecessors, (268), 26 states have call successors, (26), 19 states have call predecessors, (26), 16 states have return successors, (21), 21 states have call predecessors, (21), 20 states have call successors, (21) [2022-03-17 23:16:18,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 240 states and 315 transitions. [2022-03-17 23:16:18,534 INFO L78 Accepts]: Start accepts. Automaton has 240 states and 315 transitions. Word has length 51 [2022-03-17 23:16:18,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-17 23:16:18,534 INFO L478 AbstractCegarLoop]: Abstraction has 240 states and 315 transitions. [2022-03-17 23:16:18,535 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 3.5454545454545454) internal successors, (39), 7 states have internal predecessors, (39), 4 states have call successors, (7), 6 states have call predecessors, (7), 4 states have return successors, (5), 4 states have call predecessors, (5), 3 states have call successors, (5) [2022-03-17 23:16:18,535 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 315 transitions. [2022-03-17 23:16:18,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-03-17 23:16:18,535 INFO L492 BasicCegarLoop]: Found error trace [2022-03-17 23:16:18,535 INFO L500 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-17 23:16:18,535 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-03-17 23:16:18,536 INFO L403 AbstractCegarLoop]: === Iteration 11 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-17 23:16:18,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-17 23:16:18,536 INFO L85 PathProgramCache]: Analyzing trace with hash 412861826, now seen corresponding path program 1 times [2022-03-17 23:16:18,536 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-17 23:16:18,536 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [436203179] [2022-03-17 23:16:18,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-17 23:16:18,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-17 23:16:18,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:16:18,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-17 23:16:18,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:16:18,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-03-17 23:16:18,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:16:18,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-03-17 23:16:18,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:16:18,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-03-17 23:16:18,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:16:18,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-03-17 23:16:18,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:16:18,717 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-17 23:16:18,717 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-17 23:16:18,717 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [436203179] [2022-03-17 23:16:18,718 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [436203179] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-17 23:16:18,718 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-17 23:16:18,718 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-03-17 23:16:18,718 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [4325288] [2022-03-17 23:16:18,718 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-17 23:16:18,718 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-17 23:16:18,718 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-17 23:16:18,718 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-17 23:16:18,719 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2022-03-17 23:16:18,719 INFO L87 Difference]: Start difference. First operand 240 states and 315 transitions. Second operand has 10 states, 10 states have (on average 4.1) internal successors, (41), 6 states have internal predecessors, (41), 3 states have call successors, (7), 6 states have call predecessors, (7), 3 states have return successors, (5), 3 states have call predecessors, (5), 2 states have call successors, (5) [2022-03-17 23:16:19,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-17 23:16:19,486 INFO L93 Difference]: Finished difference Result 272 states and 349 transitions. [2022-03-17 23:16:19,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-03-17 23:16:19,487 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 4.1) internal successors, (41), 6 states have internal predecessors, (41), 3 states have call successors, (7), 6 states have call predecessors, (7), 3 states have return successors, (5), 3 states have call predecessors, (5), 2 states have call successors, (5) Word has length 53 [2022-03-17 23:16:19,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-17 23:16:19,489 INFO L225 Difference]: With dead ends: 272 [2022-03-17 23:16:19,489 INFO L226 Difference]: Without dead ends: 253 [2022-03-17 23:16:19,489 INFO L911 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=95, Invalid=211, Unknown=0, NotChecked=0, Total=306 [2022-03-17 23:16:19,489 INFO L912 BasicCegarLoop]: 238 mSDtfsCounter, 427 mSDsluCounter, 350 mSDsCounter, 0 mSdLazyCounter, 737 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 430 SdHoareTripleChecker+Valid, 588 SdHoareTripleChecker+Invalid, 792 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 737 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-03-17 23:16:19,490 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [430 Valid, 588 Invalid, 792 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 737 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-03-17 23:16:19,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 253 states. [2022-03-17 23:16:19,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 253 to 243. [2022-03-17 23:16:19,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 243 states, 200 states have (on average 1.36) internal successors, (272), 202 states have internal predecessors, (272), 26 states have call successors, (26), 19 states have call predecessors, (26), 16 states have return successors, (21), 21 states have call predecessors, (21), 20 states have call successors, (21) [2022-03-17 23:16:19,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 243 states and 319 transitions. [2022-03-17 23:16:19,510 INFO L78 Accepts]: Start accepts. Automaton has 243 states and 319 transitions. Word has length 53 [2022-03-17 23:16:19,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-17 23:16:19,510 INFO L478 AbstractCegarLoop]: Abstraction has 243 states and 319 transitions. [2022-03-17 23:16:19,510 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.1) internal successors, (41), 6 states have internal predecessors, (41), 3 states have call successors, (7), 6 states have call predecessors, (7), 3 states have return successors, (5), 3 states have call predecessors, (5), 2 states have call successors, (5) [2022-03-17 23:16:19,510 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 319 transitions. [2022-03-17 23:16:19,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-03-17 23:16:19,511 INFO L492 BasicCegarLoop]: Found error trace [2022-03-17 23:16:19,511 INFO L500 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-17 23:16:19,511 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-03-17 23:16:19,512 INFO L403 AbstractCegarLoop]: === Iteration 12 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-17 23:16:19,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-17 23:16:19,512 INFO L85 PathProgramCache]: Analyzing trace with hash -584210527, now seen corresponding path program 1 times [2022-03-17 23:16:19,512 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-17 23:16:19,512 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [346802959] [2022-03-17 23:16:19,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-17 23:16:19,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-17 23:16:19,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:16:19,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-17 23:16:19,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:16:19,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-03-17 23:16:19,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:16:19,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-03-17 23:16:19,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:16:19,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-03-17 23:16:19,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:16:19,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-03-17 23:16:19,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:16:19,720 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-17 23:16:19,720 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-17 23:16:19,720 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [346802959] [2022-03-17 23:16:19,720 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [346802959] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-17 23:16:19,720 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-17 23:16:19,720 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-17 23:16:19,720 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1888378186] [2022-03-17 23:16:19,721 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-17 23:16:19,721 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-03-17 23:16:19,721 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-17 23:16:19,721 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-03-17 23:16:19,721 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2022-03-17 23:16:19,721 INFO L87 Difference]: Start difference. First operand 243 states and 319 transitions. Second operand has 12 states, 12 states have (on average 3.4166666666666665) internal successors, (41), 8 states have internal predecessors, (41), 4 states have call successors, (7), 6 states have call predecessors, (7), 4 states have return successors, (5), 4 states have call predecessors, (5), 3 states have call successors, (5) [2022-03-17 23:16:20,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-17 23:16:20,345 INFO L93 Difference]: Finished difference Result 284 states and 365 transitions. [2022-03-17 23:16:20,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-03-17 23:16:20,345 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 3.4166666666666665) internal successors, (41), 8 states have internal predecessors, (41), 4 states have call successors, (7), 6 states have call predecessors, (7), 4 states have return successors, (5), 4 states have call predecessors, (5), 3 states have call successors, (5) Word has length 53 [2022-03-17 23:16:20,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-17 23:16:20,346 INFO L225 Difference]: With dead ends: 284 [2022-03-17 23:16:20,346 INFO L226 Difference]: Without dead ends: 240 [2022-03-17 23:16:20,347 INFO L911 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=101, Invalid=279, Unknown=0, NotChecked=0, Total=380 [2022-03-17 23:16:20,347 INFO L912 BasicCegarLoop]: 234 mSDtfsCounter, 964 mSDsluCounter, 349 mSDsCounter, 0 mSdLazyCounter, 711 mSolverCounterSat, 175 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 965 SdHoareTripleChecker+Valid, 583 SdHoareTripleChecker+Invalid, 886 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 175 IncrementalHoareTripleChecker+Valid, 711 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-03-17 23:16:20,347 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [965 Valid, 583 Invalid, 886 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [175 Valid, 711 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-17 23:16:20,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 240 states. [2022-03-17 23:16:20,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 240 to 238. [2022-03-17 23:16:20,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 238 states, 195 states have (on average 1.3435897435897435) internal successors, (262), 197 states have internal predecessors, (262), 26 states have call successors, (26), 19 states have call predecessors, (26), 16 states have return successors, (21), 21 states have call predecessors, (21), 20 states have call successors, (21) [2022-03-17 23:16:20,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 238 states and 309 transitions. [2022-03-17 23:16:20,359 INFO L78 Accepts]: Start accepts. Automaton has 238 states and 309 transitions. Word has length 53 [2022-03-17 23:16:20,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-17 23:16:20,360 INFO L478 AbstractCegarLoop]: Abstraction has 238 states and 309 transitions. [2022-03-17 23:16:20,360 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 3.4166666666666665) internal successors, (41), 8 states have internal predecessors, (41), 4 states have call successors, (7), 6 states have call predecessors, (7), 4 states have return successors, (5), 4 states have call predecessors, (5), 3 states have call successors, (5) [2022-03-17 23:16:20,360 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 309 transitions. [2022-03-17 23:16:20,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-03-17 23:16:20,360 INFO L492 BasicCegarLoop]: Found error trace [2022-03-17 23:16:20,360 INFO L500 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-17 23:16:20,360 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-03-17 23:16:20,361 INFO L403 AbstractCegarLoop]: === Iteration 13 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-17 23:16:20,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-17 23:16:20,361 INFO L85 PathProgramCache]: Analyzing trace with hash 1869212545, now seen corresponding path program 1 times [2022-03-17 23:16:20,361 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-17 23:16:20,361 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [388890175] [2022-03-17 23:16:20,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-17 23:16:20,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-17 23:16:20,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:16:20,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-17 23:16:20,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:16:20,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-03-17 23:16:20,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:16:20,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-03-17 23:16:20,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:16:20,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-03-17 23:16:20,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:16:20,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-03-17 23:16:20,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:16:20,509 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-17 23:16:20,509 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-17 23:16:20,509 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [388890175] [2022-03-17 23:16:20,509 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [388890175] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-17 23:16:20,509 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-17 23:16:20,509 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-17 23:16:20,510 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1856998799] [2022-03-17 23:16:20,510 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-17 23:16:20,510 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-03-17 23:16:20,510 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-17 23:16:20,510 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-03-17 23:16:20,510 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2022-03-17 23:16:20,510 INFO L87 Difference]: Start difference. First operand 238 states and 309 transitions. Second operand has 12 states, 12 states have (on average 3.4166666666666665) internal successors, (41), 6 states have internal predecessors, (41), 2 states have call successors, (7), 6 states have call predecessors, (7), 3 states have return successors, (5), 3 states have call predecessors, (5), 1 states have call successors, (5) [2022-03-17 23:16:21,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-17 23:16:21,077 INFO L93 Difference]: Finished difference Result 250 states and 321 transitions. [2022-03-17 23:16:21,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-17 23:16:21,078 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 3.4166666666666665) internal successors, (41), 6 states have internal predecessors, (41), 2 states have call successors, (7), 6 states have call predecessors, (7), 3 states have return successors, (5), 3 states have call predecessors, (5), 1 states have call successors, (5) Word has length 53 [2022-03-17 23:16:21,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-17 23:16:21,079 INFO L225 Difference]: With dead ends: 250 [2022-03-17 23:16:21,079 INFO L226 Difference]: Without dead ends: 210 [2022-03-17 23:16:21,079 INFO L911 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2022-03-17 23:16:21,079 INFO L912 BasicCegarLoop]: 244 mSDtfsCounter, 290 mSDsluCounter, 660 mSDsCounter, 0 mSdLazyCounter, 1252 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 290 SdHoareTripleChecker+Valid, 904 SdHoareTripleChecker+Invalid, 1303 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 1252 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-03-17 23:16:21,080 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [290 Valid, 904 Invalid, 1303 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 1252 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-03-17 23:16:21,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 210 states. [2022-03-17 23:16:21,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 210 to 210. [2022-03-17 23:16:21,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 210 states, 171 states have (on average 1.345029239766082) internal successors, (230), 173 states have internal predecessors, (230), 24 states have call successors, (24), 17 states have call predecessors, (24), 14 states have return successors, (19), 19 states have call predecessors, (19), 18 states have call successors, (19) [2022-03-17 23:16:21,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 210 states and 273 transitions. [2022-03-17 23:16:21,090 INFO L78 Accepts]: Start accepts. Automaton has 210 states and 273 transitions. Word has length 53 [2022-03-17 23:16:21,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-17 23:16:21,091 INFO L478 AbstractCegarLoop]: Abstraction has 210 states and 273 transitions. [2022-03-17 23:16:21,091 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 3.4166666666666665) internal successors, (41), 6 states have internal predecessors, (41), 2 states have call successors, (7), 6 states have call predecessors, (7), 3 states have return successors, (5), 3 states have call predecessors, (5), 1 states have call successors, (5) [2022-03-17 23:16:21,091 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 273 transitions. [2022-03-17 23:16:21,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-03-17 23:16:21,091 INFO L492 BasicCegarLoop]: Found error trace [2022-03-17 23:16:21,091 INFO L500 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-17 23:16:21,092 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-03-17 23:16:21,092 INFO L403 AbstractCegarLoop]: === Iteration 14 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-17 23:16:21,092 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-17 23:16:21,092 INFO L85 PathProgramCache]: Analyzing trace with hash 518044277, now seen corresponding path program 1 times [2022-03-17 23:16:21,092 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-17 23:16:21,092 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [675444107] [2022-03-17 23:16:21,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-17 23:16:21,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-17 23:16:21,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:16:21,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-17 23:16:21,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:16:21,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-03-17 23:16:21,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:16:21,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-03-17 23:16:21,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:16:21,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-03-17 23:16:21,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:16:21,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-03-17 23:16:21,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:16:21,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-03-17 23:16:21,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:16:21,255 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-17 23:16:21,255 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-17 23:16:21,255 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [675444107] [2022-03-17 23:16:21,255 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [675444107] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-17 23:16:21,255 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-17 23:16:21,256 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-03-17 23:16:21,256 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1069544768] [2022-03-17 23:16:21,256 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-17 23:16:21,256 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-03-17 23:16:21,256 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-17 23:16:21,256 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-03-17 23:16:21,256 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2022-03-17 23:16:21,256 INFO L87 Difference]: Start difference. First operand 210 states and 273 transitions. Second operand has 11 states, 11 states have (on average 3.727272727272727) internal successors, (41), 5 states have internal predecessors, (41), 2 states have call successors, (10), 7 states have call predecessors, (10), 2 states have return successors, (6), 2 states have call predecessors, (6), 1 states have call successors, (6) [2022-03-17 23:16:21,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-17 23:16:21,724 INFO L93 Difference]: Finished difference Result 268 states and 345 transitions. [2022-03-17 23:16:21,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-17 23:16:21,724 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 3.727272727272727) internal successors, (41), 5 states have internal predecessors, (41), 2 states have call successors, (10), 7 states have call predecessors, (10), 2 states have return successors, (6), 2 states have call predecessors, (6), 1 states have call successors, (6) Word has length 57 [2022-03-17 23:16:21,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-17 23:16:21,726 INFO L225 Difference]: With dead ends: 268 [2022-03-17 23:16:21,726 INFO L226 Difference]: Without dead ends: 227 [2022-03-17 23:16:21,726 INFO L911 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=53, Invalid=157, Unknown=0, NotChecked=0, Total=210 [2022-03-17 23:16:21,726 INFO L912 BasicCegarLoop]: 208 mSDtfsCounter, 280 mSDsluCounter, 483 mSDsCounter, 0 mSdLazyCounter, 795 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 280 SdHoareTripleChecker+Valid, 691 SdHoareTripleChecker+Invalid, 862 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 795 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-03-17 23:16:21,727 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [280 Valid, 691 Invalid, 862 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 795 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-17 23:16:21,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2022-03-17 23:16:21,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 215. [2022-03-17 23:16:21,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 215 states, 175 states have (on average 1.3371428571428572) internal successors, (234), 177 states have internal predecessors, (234), 24 states have call successors, (24), 17 states have call predecessors, (24), 15 states have return successors, (20), 20 states have call predecessors, (20), 18 states have call successors, (20) [2022-03-17 23:16:21,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 215 states and 278 transitions. [2022-03-17 23:16:21,738 INFO L78 Accepts]: Start accepts. Automaton has 215 states and 278 transitions. Word has length 57 [2022-03-17 23:16:21,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-17 23:16:21,738 INFO L478 AbstractCegarLoop]: Abstraction has 215 states and 278 transitions. [2022-03-17 23:16:21,738 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 3.727272727272727) internal successors, (41), 5 states have internal predecessors, (41), 2 states have call successors, (10), 7 states have call predecessors, (10), 2 states have return successors, (6), 2 states have call predecessors, (6), 1 states have call successors, (6) [2022-03-17 23:16:21,738 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 278 transitions. [2022-03-17 23:16:21,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-03-17 23:16:21,739 INFO L492 BasicCegarLoop]: Found error trace [2022-03-17 23:16:21,739 INFO L500 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-17 23:16:21,739 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-03-17 23:16:21,739 INFO L403 AbstractCegarLoop]: === Iteration 15 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-17 23:16:21,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-17 23:16:21,739 INFO L85 PathProgramCache]: Analyzing trace with hash -175143961, now seen corresponding path program 1 times [2022-03-17 23:16:21,739 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-17 23:16:21,739 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1673891587] [2022-03-17 23:16:21,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-17 23:16:21,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-17 23:16:21,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:16:21,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-17 23:16:21,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:16:21,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-03-17 23:16:21,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:16:21,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-03-17 23:16:21,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:16:21,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-03-17 23:16:21,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:16:21,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-03-17 23:16:21,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:16:21,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-03-17 23:16:21,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:16:21,880 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-17 23:16:21,880 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-17 23:16:21,880 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1673891587] [2022-03-17 23:16:21,880 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1673891587] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-17 23:16:21,881 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-17 23:16:21,881 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-03-17 23:16:21,881 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1640315114] [2022-03-17 23:16:21,881 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-17 23:16:21,881 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-03-17 23:16:21,881 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-17 23:16:21,881 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-03-17 23:16:21,881 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2022-03-17 23:16:21,881 INFO L87 Difference]: Start difference. First operand 215 states and 278 transitions. Second operand has 11 states, 11 states have (on average 3.727272727272727) internal successors, (41), 5 states have internal predecessors, (41), 2 states have call successors, (10), 7 states have call predecessors, (10), 2 states have return successors, (6), 2 states have call predecessors, (6), 1 states have call successors, (6) [2022-03-17 23:16:22,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-17 23:16:22,420 INFO L93 Difference]: Finished difference Result 235 states and 302 transitions. [2022-03-17 23:16:22,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-03-17 23:16:22,420 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 3.727272727272727) internal successors, (41), 5 states have internal predecessors, (41), 2 states have call successors, (10), 7 states have call predecessors, (10), 2 states have return successors, (6), 2 states have call predecessors, (6), 1 states have call successors, (6) Word has length 57 [2022-03-17 23:16:22,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-17 23:16:22,421 INFO L225 Difference]: With dead ends: 235 [2022-03-17 23:16:22,421 INFO L226 Difference]: Without dead ends: 228 [2022-03-17 23:16:22,422 INFO L911 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=77, Invalid=265, Unknown=0, NotChecked=0, Total=342 [2022-03-17 23:16:22,422 INFO L912 BasicCegarLoop]: 212 mSDtfsCounter, 328 mSDsluCounter, 446 mSDsCounter, 0 mSdLazyCounter, 724 mSolverCounterSat, 80 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 328 SdHoareTripleChecker+Valid, 658 SdHoareTripleChecker+Invalid, 804 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 80 IncrementalHoareTripleChecker+Valid, 724 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-03-17 23:16:22,422 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [328 Valid, 658 Invalid, 804 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [80 Valid, 724 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-17 23:16:22,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 228 states. [2022-03-17 23:16:22,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 228 to 216. [2022-03-17 23:16:22,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 216 states, 176 states have (on average 1.3352272727272727) internal successors, (235), 178 states have internal predecessors, (235), 24 states have call successors, (24), 17 states have call predecessors, (24), 15 states have return successors, (20), 20 states have call predecessors, (20), 18 states have call successors, (20) [2022-03-17 23:16:22,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 279 transitions. [2022-03-17 23:16:22,433 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 279 transitions. Word has length 57 [2022-03-17 23:16:22,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-17 23:16:22,433 INFO L478 AbstractCegarLoop]: Abstraction has 216 states and 279 transitions. [2022-03-17 23:16:22,434 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 3.727272727272727) internal successors, (41), 5 states have internal predecessors, (41), 2 states have call successors, (10), 7 states have call predecessors, (10), 2 states have return successors, (6), 2 states have call predecessors, (6), 1 states have call successors, (6) [2022-03-17 23:16:22,434 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 279 transitions. [2022-03-17 23:16:22,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-03-17 23:16:22,434 INFO L492 BasicCegarLoop]: Found error trace [2022-03-17 23:16:22,434 INFO L500 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-17 23:16:22,434 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-03-17 23:16:22,434 INFO L403 AbstractCegarLoop]: === Iteration 16 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-17 23:16:22,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-17 23:16:22,435 INFO L85 PathProgramCache]: Analyzing trace with hash 100170340, now seen corresponding path program 1 times [2022-03-17 23:16:22,435 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-17 23:16:22,437 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [335230013] [2022-03-17 23:16:22,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-17 23:16:22,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-17 23:16:22,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:16:22,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-17 23:16:22,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:16:22,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-03-17 23:16:22,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:16:22,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-03-17 23:16:22,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:16:22,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-03-17 23:16:22,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:16:22,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-03-17 23:16:22,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:16:22,606 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-17 23:16:22,607 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-17 23:16:22,607 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [335230013] [2022-03-17 23:16:22,607 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [335230013] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-17 23:16:22,607 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-17 23:16:22,607 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-03-17 23:16:22,607 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1748912324] [2022-03-17 23:16:22,607 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-17 23:16:22,607 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-03-17 23:16:22,607 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-17 23:16:22,608 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-03-17 23:16:22,608 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2022-03-17 23:16:22,608 INFO L87 Difference]: Start difference. First operand 216 states and 279 transitions. Second operand has 14 states, 14 states have (on average 3.0) internal successors, (42), 7 states have internal predecessors, (42), 2 states have call successors, (7), 7 states have call predecessors, (7), 3 states have return successors, (5), 3 states have call predecessors, (5), 1 states have call successors, (5) [2022-03-17 23:16:23,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-17 23:16:23,109 INFO L93 Difference]: Finished difference Result 232 states and 295 transitions. [2022-03-17 23:16:23,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-03-17 23:16:23,109 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.0) internal successors, (42), 7 states have internal predecessors, (42), 2 states have call successors, (7), 7 states have call predecessors, (7), 3 states have return successors, (5), 3 states have call predecessors, (5), 1 states have call successors, (5) Word has length 54 [2022-03-17 23:16:23,110 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-17 23:16:23,110 INFO L225 Difference]: With dead ends: 232 [2022-03-17 23:16:23,110 INFO L226 Difference]: Without dead ends: 211 [2022-03-17 23:16:23,111 INFO L911 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=199, Unknown=0, NotChecked=0, Total=240 [2022-03-17 23:16:23,111 INFO L912 BasicCegarLoop]: 214 mSDtfsCounter, 366 mSDsluCounter, 603 mSDsCounter, 0 mSdLazyCounter, 1204 mSolverCounterSat, 72 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 366 SdHoareTripleChecker+Valid, 817 SdHoareTripleChecker+Invalid, 1276 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 72 IncrementalHoareTripleChecker+Valid, 1204 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-03-17 23:16:23,111 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [366 Valid, 817 Invalid, 1276 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [72 Valid, 1204 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-17 23:16:23,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211 states. [2022-03-17 23:16:23,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211 to 211. [2022-03-17 23:16:23,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 211 states, 172 states have (on average 1.3372093023255813) internal successors, (230), 174 states have internal predecessors, (230), 23 states have call successors, (23), 17 states have call predecessors, (23), 15 states have return successors, (19), 19 states have call predecessors, (19), 17 states have call successors, (19) [2022-03-17 23:16:23,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 272 transitions. [2022-03-17 23:16:23,123 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 272 transitions. Word has length 54 [2022-03-17 23:16:23,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-17 23:16:23,123 INFO L478 AbstractCegarLoop]: Abstraction has 211 states and 272 transitions. [2022-03-17 23:16:23,123 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.0) internal successors, (42), 7 states have internal predecessors, (42), 2 states have call successors, (7), 7 states have call predecessors, (7), 3 states have return successors, (5), 3 states have call predecessors, (5), 1 states have call successors, (5) [2022-03-17 23:16:23,123 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 272 transitions. [2022-03-17 23:16:23,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-03-17 23:16:23,124 INFO L492 BasicCegarLoop]: Found error trace [2022-03-17 23:16:23,124 INFO L500 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-17 23:16:23,124 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-03-17 23:16:23,124 INFO L403 AbstractCegarLoop]: === Iteration 17 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-17 23:16:23,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-17 23:16:23,124 INFO L85 PathProgramCache]: Analyzing trace with hash -827563874, now seen corresponding path program 1 times [2022-03-17 23:16:23,124 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-17 23:16:23,124 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1968840138] [2022-03-17 23:16:23,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-17 23:16:23,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-17 23:16:23,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:16:23,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-17 23:16:23,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:16:23,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-03-17 23:16:23,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:16:23,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-03-17 23:16:23,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:16:23,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-03-17 23:16:23,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:16:23,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-03-17 23:16:23,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:16:23,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-03-17 23:16:23,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:16:23,307 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-17 23:16:23,308 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-17 23:16:23,308 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1968840138] [2022-03-17 23:16:23,308 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1968840138] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-17 23:16:23,308 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-17 23:16:23,308 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2022-03-17 23:16:23,308 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1314210483] [2022-03-17 23:16:23,308 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-17 23:16:23,308 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-03-17 23:16:23,308 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-17 23:16:23,308 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-03-17 23:16:23,309 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2022-03-17 23:16:23,309 INFO L87 Difference]: Start difference. First operand 211 states and 272 transitions. Second operand has 15 states, 15 states have (on average 2.8) internal successors, (42), 7 states have internal predecessors, (42), 2 states have call successors, (8), 7 states have call predecessors, (8), 4 states have return successors, (6), 4 states have call predecessors, (6), 1 states have call successors, (6) [2022-03-17 23:16:23,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-17 23:16:23,958 INFO L93 Difference]: Finished difference Result 223 states and 284 transitions. [2022-03-17 23:16:23,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-17 23:16:23,959 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 2.8) internal successors, (42), 7 states have internal predecessors, (42), 2 states have call successors, (8), 7 states have call predecessors, (8), 4 states have return successors, (6), 4 states have call predecessors, (6), 1 states have call successors, (6) Word has length 56 [2022-03-17 23:16:23,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-17 23:16:23,960 INFO L225 Difference]: With dead ends: 223 [2022-03-17 23:16:23,960 INFO L226 Difference]: Without dead ends: 209 [2022-03-17 23:16:23,960 INFO L911 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=201, Unknown=0, NotChecked=0, Total=240 [2022-03-17 23:16:23,960 INFO L912 BasicCegarLoop]: 208 mSDtfsCounter, 124 mSDsluCounter, 688 mSDsCounter, 0 mSdLazyCounter, 1492 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 124 SdHoareTripleChecker+Valid, 896 SdHoareTripleChecker+Invalid, 1520 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 1492 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-03-17 23:16:23,961 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [124 Valid, 896 Invalid, 1520 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 1492 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-03-17 23:16:23,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 209 states. [2022-03-17 23:16:23,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 209 to 209. [2022-03-17 23:16:23,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 209 states, 171 states have (on average 1.3333333333333333) internal successors, (228), 173 states have internal predecessors, (228), 22 states have call successors, (22), 17 states have call predecessors, (22), 15 states have return successors, (18), 18 states have call predecessors, (18), 16 states have call successors, (18) [2022-03-17 23:16:23,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 209 states and 268 transitions. [2022-03-17 23:16:23,971 INFO L78 Accepts]: Start accepts. Automaton has 209 states and 268 transitions. Word has length 56 [2022-03-17 23:16:23,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-17 23:16:23,971 INFO L478 AbstractCegarLoop]: Abstraction has 209 states and 268 transitions. [2022-03-17 23:16:23,971 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 2.8) internal successors, (42), 7 states have internal predecessors, (42), 2 states have call successors, (8), 7 states have call predecessors, (8), 4 states have return successors, (6), 4 states have call predecessors, (6), 1 states have call successors, (6) [2022-03-17 23:16:23,971 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 268 transitions. [2022-03-17 23:16:23,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-03-17 23:16:23,972 INFO L492 BasicCegarLoop]: Found error trace [2022-03-17 23:16:23,972 INFO L500 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-17 23:16:23,972 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-03-17 23:16:23,972 INFO L403 AbstractCegarLoop]: === Iteration 18 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-17 23:16:23,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-17 23:16:23,972 INFO L85 PathProgramCache]: Analyzing trace with hash 332957832, now seen corresponding path program 1 times [2022-03-17 23:16:23,973 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-17 23:16:23,973 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [892497674] [2022-03-17 23:16:23,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-17 23:16:23,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-17 23:16:23,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:16:24,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-17 23:16:24,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:16:24,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-03-17 23:16:24,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:16:24,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-03-17 23:16:24,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:16:24,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-03-17 23:16:24,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:16:24,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-03-17 23:16:24,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:16:24,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-03-17 23:16:24,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:16:24,091 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-17 23:16:24,091 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-17 23:16:24,091 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [892497674] [2022-03-17 23:16:24,091 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [892497674] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-17 23:16:24,091 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-17 23:16:24,091 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-03-17 23:16:24,091 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [906511625] [2022-03-17 23:16:24,091 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-17 23:16:24,092 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-03-17 23:16:24,092 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-17 23:16:24,092 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-03-17 23:16:24,092 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2022-03-17 23:16:24,092 INFO L87 Difference]: Start difference. First operand 209 states and 268 transitions. Second operand has 8 states, 8 states have (on average 5.25) internal successors, (42), 3 states have internal predecessors, (42), 2 states have call successors, (10), 7 states have call predecessors, (10), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2022-03-17 23:16:24,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-17 23:16:24,424 INFO L93 Difference]: Finished difference Result 225 states and 285 transitions. [2022-03-17 23:16:24,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-17 23:16:24,425 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.25) internal successors, (42), 3 states have internal predecessors, (42), 2 states have call successors, (10), 7 states have call predecessors, (10), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 58 [2022-03-17 23:16:24,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-17 23:16:24,426 INFO L225 Difference]: With dead ends: 225 [2022-03-17 23:16:24,426 INFO L226 Difference]: Without dead ends: 220 [2022-03-17 23:16:24,426 INFO L911 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=41, Unknown=0, NotChecked=0, Total=72 [2022-03-17 23:16:24,426 INFO L912 BasicCegarLoop]: 213 mSDtfsCounter, 276 mSDsluCounter, 215 mSDsCounter, 0 mSdLazyCounter, 312 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 276 SdHoareTripleChecker+Valid, 428 SdHoareTripleChecker+Invalid, 369 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 312 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-17 23:16:24,426 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [276 Valid, 428 Invalid, 369 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 312 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-17 23:16:24,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states. [2022-03-17 23:16:24,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 211. [2022-03-17 23:16:24,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 211 states, 173 states have (on average 1.323699421965318) internal successors, (229), 175 states have internal predecessors, (229), 22 states have call successors, (22), 17 states have call predecessors, (22), 15 states have return successors, (18), 18 states have call predecessors, (18), 16 states have call successors, (18) [2022-03-17 23:16:24,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 269 transitions. [2022-03-17 23:16:24,438 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 269 transitions. Word has length 58 [2022-03-17 23:16:24,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-17 23:16:24,438 INFO L478 AbstractCegarLoop]: Abstraction has 211 states and 269 transitions. [2022-03-17 23:16:24,438 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.25) internal successors, (42), 3 states have internal predecessors, (42), 2 states have call successors, (10), 7 states have call predecessors, (10), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2022-03-17 23:16:24,438 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 269 transitions. [2022-03-17 23:16:24,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-03-17 23:16:24,439 INFO L492 BasicCegarLoop]: Found error trace [2022-03-17 23:16:24,439 INFO L500 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-17 23:16:24,439 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-03-17 23:16:24,439 INFO L403 AbstractCegarLoop]: === Iteration 19 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-17 23:16:24,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-17 23:16:24,439 INFO L85 PathProgramCache]: Analyzing trace with hash -360230406, now seen corresponding path program 1 times [2022-03-17 23:16:24,439 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-17 23:16:24,439 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2094780542] [2022-03-17 23:16:24,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-17 23:16:24,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-17 23:16:24,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:16:24,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-17 23:16:24,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:16:24,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-03-17 23:16:24,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:16:24,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-03-17 23:16:24,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:16:24,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-03-17 23:16:24,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:16:24,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-03-17 23:16:24,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:16:24,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-03-17 23:16:24,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:16:24,596 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-17 23:16:24,596 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-17 23:16:24,596 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2094780542] [2022-03-17 23:16:24,596 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2094780542] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-17 23:16:24,596 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-17 23:16:24,596 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-03-17 23:16:24,596 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1964963251] [2022-03-17 23:16:24,596 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-17 23:16:24,597 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-17 23:16:24,597 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-17 23:16:24,598 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-17 23:16:24,598 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2022-03-17 23:16:24,598 INFO L87 Difference]: Start difference. First operand 211 states and 269 transitions. Second operand has 10 states, 10 states have (on average 4.2) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (10), 7 states have call predecessors, (10), 3 states have return successors, (6), 3 states have call predecessors, (6), 1 states have call successors, (6) [2022-03-17 23:16:25,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-17 23:16:25,042 INFO L93 Difference]: Finished difference Result 249 states and 312 transitions. [2022-03-17 23:16:25,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-17 23:16:25,042 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 4.2) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (10), 7 states have call predecessors, (10), 3 states have return successors, (6), 3 states have call predecessors, (6), 1 states have call successors, (6) Word has length 58 [2022-03-17 23:16:25,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-17 23:16:25,043 INFO L225 Difference]: With dead ends: 249 [2022-03-17 23:16:25,043 INFO L226 Difference]: Without dead ends: 205 [2022-03-17 23:16:25,044 INFO L911 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2022-03-17 23:16:25,045 INFO L912 BasicCegarLoop]: 212 mSDtfsCounter, 152 mSDsluCounter, 397 mSDsCounter, 0 mSdLazyCounter, 697 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 153 SdHoareTripleChecker+Valid, 609 SdHoareTripleChecker+Invalid, 730 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 697 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-03-17 23:16:25,045 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [153 Valid, 609 Invalid, 730 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 697 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-17 23:16:25,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 205 states. [2022-03-17 23:16:25,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 205 to 205. [2022-03-17 23:16:25,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 205 states, 167 states have (on average 1.3173652694610778) internal successors, (220), 169 states have internal predecessors, (220), 22 states have call successors, (22), 17 states have call predecessors, (22), 15 states have return successors, (18), 18 states have call predecessors, (18), 16 states have call successors, (18) [2022-03-17 23:16:25,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 260 transitions. [2022-03-17 23:16:25,058 INFO L78 Accepts]: Start accepts. Automaton has 205 states and 260 transitions. Word has length 58 [2022-03-17 23:16:25,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-17 23:16:25,058 INFO L478 AbstractCegarLoop]: Abstraction has 205 states and 260 transitions. [2022-03-17 23:16:25,058 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.2) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (10), 7 states have call predecessors, (10), 3 states have return successors, (6), 3 states have call predecessors, (6), 1 states have call successors, (6) [2022-03-17 23:16:25,058 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 260 transitions. [2022-03-17 23:16:25,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-03-17 23:16:25,058 INFO L492 BasicCegarLoop]: Found error trace [2022-03-17 23:16:25,059 INFO L500 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-17 23:16:25,059 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-03-17 23:16:25,059 INFO L403 AbstractCegarLoop]: === Iteration 20 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-17 23:16:25,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-17 23:16:25,059 INFO L85 PathProgramCache]: Analyzing trace with hash -1803908003, now seen corresponding path program 1 times [2022-03-17 23:16:25,059 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-17 23:16:25,059 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [731051083] [2022-03-17 23:16:25,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-17 23:16:25,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-17 23:16:25,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:16:25,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-17 23:16:25,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:16:25,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-03-17 23:16:25,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:16:25,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-03-17 23:16:25,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:16:25,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-03-17 23:16:25,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:16:25,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-03-17 23:16:25,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:16:25,242 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-17 23:16:25,242 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-17 23:16:25,242 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [731051083] [2022-03-17 23:16:25,242 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [731051083] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-17 23:16:25,242 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-17 23:16:25,242 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-03-17 23:16:25,242 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1677201128] [2022-03-17 23:16:25,242 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-17 23:16:25,243 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-17 23:16:25,243 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-17 23:16:25,243 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-17 23:16:25,243 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2022-03-17 23:16:25,243 INFO L87 Difference]: Start difference. First operand 205 states and 260 transitions. Second operand has 13 states, 13 states have (on average 3.3076923076923075) internal successors, (43), 7 states have internal predecessors, (43), 2 states have call successors, (7), 7 states have call predecessors, (7), 3 states have return successors, (5), 3 states have call predecessors, (5), 1 states have call successors, (5) [2022-03-17 23:16:25,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-17 23:16:25,946 INFO L93 Difference]: Finished difference Result 262 states and 321 transitions. [2022-03-17 23:16:25,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-03-17 23:16:25,947 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 3.3076923076923075) internal successors, (43), 7 states have internal predecessors, (43), 2 states have call successors, (7), 7 states have call predecessors, (7), 3 states have return successors, (5), 3 states have call predecessors, (5), 1 states have call successors, (5) Word has length 55 [2022-03-17 23:16:25,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-17 23:16:25,948 INFO L225 Difference]: With dead ends: 262 [2022-03-17 23:16:25,948 INFO L226 Difference]: Without dead ends: 245 [2022-03-17 23:16:25,948 INFO L911 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 13 SyntacticMatches, 1 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=101, Invalid=405, Unknown=0, NotChecked=0, Total=506 [2022-03-17 23:16:25,949 INFO L912 BasicCegarLoop]: 207 mSDtfsCounter, 503 mSDsluCounter, 444 mSDsCounter, 0 mSdLazyCounter, 1092 mSolverCounterSat, 91 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 503 SdHoareTripleChecker+Valid, 651 SdHoareTripleChecker+Invalid, 1183 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 91 IncrementalHoareTripleChecker+Valid, 1092 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-03-17 23:16:25,949 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [503 Valid, 651 Invalid, 1183 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [91 Valid, 1092 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-03-17 23:16:25,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 245 states. [2022-03-17 23:16:25,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 245 to 211. [2022-03-17 23:16:25,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 211 states, 172 states have (on average 1.308139534883721) internal successors, (225), 175 states have internal predecessors, (225), 22 states have call successors, (22), 17 states have call predecessors, (22), 16 states have return successors, (20), 18 states have call predecessors, (20), 16 states have call successors, (20) [2022-03-17 23:16:25,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 267 transitions. [2022-03-17 23:16:25,960 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 267 transitions. Word has length 55 [2022-03-17 23:16:25,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-17 23:16:25,960 INFO L478 AbstractCegarLoop]: Abstraction has 211 states and 267 transitions. [2022-03-17 23:16:25,960 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 3.3076923076923075) internal successors, (43), 7 states have internal predecessors, (43), 2 states have call successors, (7), 7 states have call predecessors, (7), 3 states have return successors, (5), 3 states have call predecessors, (5), 1 states have call successors, (5) [2022-03-17 23:16:25,960 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 267 transitions. [2022-03-17 23:16:25,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-03-17 23:16:25,961 INFO L492 BasicCegarLoop]: Found error trace [2022-03-17 23:16:25,961 INFO L500 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-17 23:16:25,961 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-03-17 23:16:25,961 INFO L403 AbstractCegarLoop]: === Iteration 21 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-17 23:16:25,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-17 23:16:25,961 INFO L85 PathProgramCache]: Analyzing trace with hash 1648306559, now seen corresponding path program 1 times [2022-03-17 23:16:25,961 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-17 23:16:25,961 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1413391706] [2022-03-17 23:16:25,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-17 23:16:25,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-17 23:16:25,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:16:26,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-17 23:16:26,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:16:26,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-03-17 23:16:26,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:16:26,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-03-17 23:16:26,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:16:26,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-03-17 23:16:26,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:16:26,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-03-17 23:16:26,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:16:26,104 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-17 23:16:26,104 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-17 23:16:26,104 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1413391706] [2022-03-17 23:16:26,104 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1413391706] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-17 23:16:26,104 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-17 23:16:26,104 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-03-17 23:16:26,104 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [103658234] [2022-03-17 23:16:26,104 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-17 23:16:26,105 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-03-17 23:16:26,106 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-17 23:16:26,106 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-03-17 23:16:26,106 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2022-03-17 23:16:26,106 INFO L87 Difference]: Start difference. First operand 211 states and 267 transitions. Second operand has 14 states, 14 states have (on average 3.0714285714285716) internal successors, (43), 7 states have internal predecessors, (43), 2 states have call successors, (7), 7 states have call predecessors, (7), 3 states have return successors, (5), 3 states have call predecessors, (5), 1 states have call successors, (5) [2022-03-17 23:16:26,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-17 23:16:26,637 INFO L93 Difference]: Finished difference Result 227 states and 283 transitions. [2022-03-17 23:16:26,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-03-17 23:16:26,638 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.0714285714285716) internal successors, (43), 7 states have internal predecessors, (43), 2 states have call successors, (7), 7 states have call predecessors, (7), 3 states have return successors, (5), 3 states have call predecessors, (5), 1 states have call successors, (5) Word has length 55 [2022-03-17 23:16:26,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-17 23:16:26,639 INFO L225 Difference]: With dead ends: 227 [2022-03-17 23:16:26,639 INFO L226 Difference]: Without dead ends: 189 [2022-03-17 23:16:26,639 INFO L911 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=199, Unknown=0, NotChecked=0, Total=240 [2022-03-17 23:16:26,640 INFO L912 BasicCegarLoop]: 203 mSDtfsCounter, 126 mSDsluCounter, 545 mSDsCounter, 0 mSdLazyCounter, 1267 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 748 SdHoareTripleChecker+Invalid, 1295 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 1267 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-03-17 23:16:26,640 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [126 Valid, 748 Invalid, 1295 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 1267 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-03-17 23:16:26,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189 states. [2022-03-17 23:16:26,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189 to 189. [2022-03-17 23:16:26,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 189 states, 151 states have (on average 1.2251655629139073) internal successors, (185), 154 states have internal predecessors, (185), 21 states have call successors, (21), 17 states have call predecessors, (21), 16 states have return successors, (18), 17 states have call predecessors, (18), 15 states have call successors, (18) [2022-03-17 23:16:26,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 189 states and 224 transitions. [2022-03-17 23:16:26,655 INFO L78 Accepts]: Start accepts. Automaton has 189 states and 224 transitions. Word has length 55 [2022-03-17 23:16:26,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-17 23:16:26,655 INFO L478 AbstractCegarLoop]: Abstraction has 189 states and 224 transitions. [2022-03-17 23:16:26,655 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.0714285714285716) internal successors, (43), 7 states have internal predecessors, (43), 2 states have call successors, (7), 7 states have call predecessors, (7), 3 states have return successors, (5), 3 states have call predecessors, (5), 1 states have call successors, (5) [2022-03-17 23:16:26,655 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 224 transitions. [2022-03-17 23:16:26,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-03-17 23:16:26,656 INFO L492 BasicCegarLoop]: Found error trace [2022-03-17 23:16:26,656 INFO L500 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-17 23:16:26,656 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-03-17 23:16:26,656 INFO L403 AbstractCegarLoop]: === Iteration 22 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-17 23:16:26,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-17 23:16:26,656 INFO L85 PathProgramCache]: Analyzing trace with hash 908198158, now seen corresponding path program 1 times [2022-03-17 23:16:26,656 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-17 23:16:26,657 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1957570723] [2022-03-17 23:16:26,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-17 23:16:26,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-17 23:16:26,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:16:26,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-17 23:16:26,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:16:26,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-03-17 23:16:26,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:16:26,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-03-17 23:16:26,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:16:26,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-03-17 23:16:26,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:16:26,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-03-17 23:16:26,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:16:26,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-03-17 23:16:26,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:16:26,769 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-17 23:16:26,769 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-17 23:16:26,769 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1957570723] [2022-03-17 23:16:26,769 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1957570723] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-17 23:16:26,770 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-17 23:16:26,770 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-03-17 23:16:26,770 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [127652773] [2022-03-17 23:16:26,770 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-17 23:16:26,770 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-03-17 23:16:26,770 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-17 23:16:26,770 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-03-17 23:16:26,770 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2022-03-17 23:16:26,771 INFO L87 Difference]: Start difference. First operand 189 states and 224 transitions. Second operand has 8 states, 8 states have (on average 5.75) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (8), 7 states have call predecessors, (8), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-03-17 23:16:27,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-17 23:16:27,012 INFO L93 Difference]: Finished difference Result 234 states and 271 transitions. [2022-03-17 23:16:27,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-17 23:16:27,012 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.75) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (8), 7 states have call predecessors, (8), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 60 [2022-03-17 23:16:27,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-17 23:16:27,013 INFO L225 Difference]: With dead ends: 234 [2022-03-17 23:16:27,013 INFO L226 Difference]: Without dead ends: 188 [2022-03-17 23:16:27,014 INFO L911 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-03-17 23:16:27,014 INFO L912 BasicCegarLoop]: 167 mSDtfsCounter, 163 mSDsluCounter, 168 mSDsCounter, 0 mSdLazyCounter, 223 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 163 SdHoareTripleChecker+Valid, 335 SdHoareTripleChecker+Invalid, 267 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 223 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-17 23:16:27,015 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [163 Valid, 335 Invalid, 267 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 223 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-17 23:16:27,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2022-03-17 23:16:27,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 188. [2022-03-17 23:16:27,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 188 states, 150 states have (on average 1.2) internal successors, (180), 153 states have internal predecessors, (180), 21 states have call successors, (21), 17 states have call predecessors, (21), 16 states have return successors, (18), 17 states have call predecessors, (18), 15 states have call successors, (18) [2022-03-17 23:16:27,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 219 transitions. [2022-03-17 23:16:27,028 INFO L78 Accepts]: Start accepts. Automaton has 188 states and 219 transitions. Word has length 60 [2022-03-17 23:16:27,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-17 23:16:27,028 INFO L478 AbstractCegarLoop]: Abstraction has 188 states and 219 transitions. [2022-03-17 23:16:27,028 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.75) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (8), 7 states have call predecessors, (8), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-03-17 23:16:27,028 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 219 transitions. [2022-03-17 23:16:27,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-03-17 23:16:27,028 INFO L492 BasicCegarLoop]: Found error trace [2022-03-17 23:16:27,028 INFO L500 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-17 23:16:27,029 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-03-17 23:16:27,029 INFO L403 AbstractCegarLoop]: === Iteration 23 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-17 23:16:27,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-17 23:16:27,029 INFO L85 PathProgramCache]: Analyzing trace with hash 1224252621, now seen corresponding path program 1 times [2022-03-17 23:16:27,029 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-17 23:16:27,029 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1382527015] [2022-03-17 23:16:27,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-17 23:16:27,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-17 23:16:27,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:16:27,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-17 23:16:27,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:16:27,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-03-17 23:16:27,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:16:27,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-03-17 23:16:27,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:16:27,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-03-17 23:16:27,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:16:27,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-03-17 23:16:27,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:16:27,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-03-17 23:16:27,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 23:16:27,186 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-17 23:16:27,186 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-17 23:16:27,186 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1382527015] [2022-03-17 23:16:27,186 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1382527015] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-17 23:16:27,187 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-17 23:16:27,187 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2022-03-17 23:16:27,187 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1044450219] [2022-03-17 23:16:27,187 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-17 23:16:27,188 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-03-17 23:16:27,188 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-17 23:16:27,188 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-03-17 23:16:27,188 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2022-03-17 23:16:27,188 INFO L87 Difference]: Start difference. First operand 188 states and 219 transitions. Second operand has 15 states, 15 states have (on average 2.8666666666666667) internal successors, (43), 7 states have internal predecessors, (43), 2 states have call successors, (8), 7 states have call predecessors, (8), 4 states have return successors, (6), 4 states have call predecessors, (6), 1 states have call successors, (6) [2022-03-17 23:16:27,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-17 23:16:27,622 INFO L93 Difference]: Finished difference Result 200 states and 231 transitions. [2022-03-17 23:16:27,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-17 23:16:27,622 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 2.8666666666666667) internal successors, (43), 7 states have internal predecessors, (43), 2 states have call successors, (8), 7 states have call predecessors, (8), 4 states have return successors, (6), 4 states have call predecessors, (6), 1 states have call successors, (6) Word has length 57 [2022-03-17 23:16:27,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-17 23:16:27,624 INFO L225 Difference]: With dead ends: 200 [2022-03-17 23:16:27,624 INFO L226 Difference]: Without dead ends: 176 [2022-03-17 23:16:27,624 INFO L911 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=201, Unknown=0, NotChecked=0, Total=240 [2022-03-17 23:16:27,625 INFO L912 BasicCegarLoop]: 166 mSDtfsCounter, 232 mSDsluCounter, 676 mSDsCounter, 0 mSdLazyCounter, 1049 mSolverCounterSat, 64 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 232 SdHoareTripleChecker+Valid, 842 SdHoareTripleChecker+Invalid, 1113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 1049 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-03-17 23:16:27,625 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [232 Valid, 842 Invalid, 1113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [64 Valid, 1049 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-17 23:16:27,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176 states. [2022-03-17 23:16:27,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176 to 176. [2022-03-17 23:16:27,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 176 states, 141 states have (on average 1.1843971631205674) internal successors, (167), 144 states have internal predecessors, (167), 19 states have call successors, (19), 16 states have call predecessors, (19), 15 states have return successors, (16), 15 states have call predecessors, (16), 13 states have call successors, (16) [2022-03-17 23:16:27,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 202 transitions. [2022-03-17 23:16:27,635 INFO L78 Accepts]: Start accepts. Automaton has 176 states and 202 transitions. Word has length 57 [2022-03-17 23:16:27,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-17 23:16:27,635 INFO L478 AbstractCegarLoop]: Abstraction has 176 states and 202 transitions. [2022-03-17 23:16:27,636 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 2.8666666666666667) internal successors, (43), 7 states have internal predecessors, (43), 2 states have call successors, (8), 7 states have call predecessors, (8), 4 states have return successors, (6), 4 states have call predecessors, (6), 1 states have call successors, (6) [2022-03-17 23:16:27,636 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 202 transitions. [2022-03-17 23:16:27,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-03-17 23:16:27,636 INFO L492 BasicCegarLoop]: Found error trace [2022-03-17 23:16:27,636 INFO L500 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-17 23:16:27,636 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-03-17 23:16:27,636 INFO L403 AbstractCegarLoop]: === Iteration 24 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-17 23:16:27,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-17 23:16:27,637 INFO L85 PathProgramCache]: Analyzing trace with hash 1667338316, now seen corresponding path program 1 times [2022-03-17 23:16:27,637 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-17 23:16:27,637 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [126148490] [2022-03-17 23:16:27,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-17 23:16:27,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-17 23:16:27,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-03-17 23:16:27,661 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-03-17 23:16:27,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-03-17 23:16:27,711 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-03-17 23:16:27,711 INFO L614 BasicCegarLoop]: Counterexample is feasible [2022-03-17 23:16:27,712 INFO L788 garLoopResultBuilder]: Registering result UNSAFE for location errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-03-17 23:16:27,713 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-03-17 23:16:27,717 INFO L718 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-17 23:16:27,719 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-17 23:16:27,819 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.03 11:16:27 BasicIcfg [2022-03-17 23:16:27,819 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-17 23:16:27,819 INFO L158 Benchmark]: Toolchain (without parser) took 17527.10ms. Allocated memory was 188.7MB in the beginning and 425.7MB in the end (delta: 237.0MB). Free memory was 137.0MB in the beginning and 255.0MB in the end (delta: -118.0MB). Peak memory consumption was 119.5MB. Max. memory is 8.0GB. [2022-03-17 23:16:27,819 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 188.7MB. Free memory was 153.9MB in the beginning and 153.8MB in the end (delta: 74.4kB). There was no memory consumed. Max. memory is 8.0GB. [2022-03-17 23:16:27,820 INFO L158 Benchmark]: CACSL2BoogieTranslator took 440.38ms. Allocated memory was 188.7MB in the beginning and 226.5MB in the end (delta: 37.7MB). Free memory was 136.8MB in the beginning and 196.5MB in the end (delta: -59.7MB). Peak memory consumption was 14.4MB. Max. memory is 8.0GB. [2022-03-17 23:16:27,820 INFO L158 Benchmark]: Boogie Preprocessor took 70.10ms. Allocated memory is still 226.5MB. Free memory was 196.5MB in the beginning and 193.7MB in the end (delta: 2.8MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-03-17 23:16:27,820 INFO L158 Benchmark]: RCFGBuilder took 570.67ms. Allocated memory is still 226.5MB. Free memory was 193.7MB in the beginning and 160.1MB in the end (delta: 33.6MB). Peak memory consumption was 33.6MB. Max. memory is 8.0GB. [2022-03-17 23:16:27,820 INFO L158 Benchmark]: IcfgTransformer took 28.15ms. Allocated memory is still 226.5MB. Free memory was 160.1MB in the beginning and 156.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2022-03-17 23:16:27,820 INFO L158 Benchmark]: TraceAbstraction took 16412.04ms. Allocated memory was 226.5MB in the beginning and 425.7MB in the end (delta: 199.2MB). Free memory was 155.6MB in the beginning and 255.0MB in the end (delta: -99.4MB). Peak memory consumption was 99.8MB. Max. memory is 8.0GB. [2022-03-17 23:16:27,821 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 188.7MB. Free memory was 153.9MB in the beginning and 153.8MB in the end (delta: 74.4kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 440.38ms. Allocated memory was 188.7MB in the beginning and 226.5MB in the end (delta: 37.7MB). Free memory was 136.8MB in the beginning and 196.5MB in the end (delta: -59.7MB). Peak memory consumption was 14.4MB. Max. memory is 8.0GB. * Boogie Preprocessor took 70.10ms. Allocated memory is still 226.5MB. Free memory was 196.5MB in the beginning and 193.7MB in the end (delta: 2.8MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 570.67ms. Allocated memory is still 226.5MB. Free memory was 193.7MB in the beginning and 160.1MB in the end (delta: 33.6MB). Peak memory consumption was 33.6MB. Max. memory is 8.0GB. * IcfgTransformer took 28.15ms. Allocated memory is still 226.5MB. Free memory was 160.1MB in the beginning and 156.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * TraceAbstraction took 16412.04ms. Allocated memory was 226.5MB in the beginning and 425.7MB in the end (delta: 199.2MB). Free memory was 155.6MB in the beginning and 255.0MB in the end (delta: -99.4MB). Peak memory consumption was 99.8MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 1013]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L23] int KernelMode ; [L24] int Executive ; [L25] int DevicePowerState ; [L26] int s ; [L27] int UNLOADED ; [L28] int NP ; [L29] int DC ; [L30] int SKIP1 ; [L31] int SKIP2 ; [L32] int MPR1 ; [L33] int MPR3 ; [L34] int IPC ; [L35] int pended ; [L36] int compFptr ; [L37] int compRegistered ; [L38] int lowerDriverReturn ; [L39] int setEventCalled ; [L40] int customIrp ; [L41] int myStatus ; VAL [\old(compFptr)=67, \old(compRegistered)=61, \old(customIrp)=53, \old(DC)=65, \old(DevicePowerState)=68, \old(Executive)=50, \old(IPC)=58, \old(KernelMode)=55, \old(lowerDriverReturn)=49, \old(MPR1)=60, \old(MPR3)=69, \old(myStatus)=64, \old(NP)=51, \old(pended)=54, \old(s)=56, \old(setEventCalled)=52, \old(SKIP1)=57, \old(SKIP2)=62, \old(UNLOADED)=66, compFptr=0, compRegistered=0, customIrp=0, DC=0, DevicePowerState=0, Executive=0, IPC=0, KernelMode=0, lowerDriverReturn=0, MPR1=0, MPR3=0, myStatus=0, NP=0, pended=0, s=0, setEventCalled=0, SKIP1=0, SKIP2=0, UNLOADED=0] [L294] int status ; [L295] int irp = __VERIFIER_nondet_int() ; [L296] int pirp ; [L297] int pirp__IoStatus__Status ; [L298] int irp_choice = __VERIFIER_nondet_int() ; [L299] int devobj = __VERIFIER_nondet_int() ; [L300] int __cil_tmp8 ; [L302] KernelMode = 0 [L303] Executive = 0 [L304] DevicePowerState = 1 [L305] s = 0 [L306] UNLOADED = 0 [L307] NP = 0 [L308] DC = 0 [L309] SKIP1 = 0 [L310] SKIP2 = 0 [L311] MPR1 = 0 [L312] MPR3 = 0 [L313] IPC = 0 [L314] pended = 0 [L315] compFptr = 0 [L316] compRegistered = 0 [L317] lowerDriverReturn = 0 [L318] setEventCalled = 0 [L319] customIrp = 0 [L320] myStatus = 0 [L324] status = 0 [L325] pirp = irp VAL [\old(compFptr)=0, \old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DevicePowerState)=0, \old(Executive)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(UNLOADED)=0, compFptr=0, compRegistered=0, customIrp=0, DC=0, DevicePowerState=1, devobj=0, Executive=0, IPC=0, irp=-2, irp_choice=0, KernelMode=0, lowerDriverReturn=0, MPR1=0, MPR3=0, myStatus=0, NP=0, pended=0, pirp=-2, s=0, setEventCalled=0, SKIP1=0, SKIP2=0, status=0, UNLOADED=0] [L326] CALL _BLAST_init() VAL [\old(compFptr)=0, \old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DevicePowerState)=0, \old(Executive)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(UNLOADED)=0, compFptr=0, compRegistered=0, customIrp=0, DC=0, DevicePowerState=1, Executive=0, IPC=0, KernelMode=0, lowerDriverReturn=0, MPR1=0, MPR3=0, myStatus=0, NP=0, pended=0, s=0, setEventCalled=0, SKIP1=0, SKIP2=0, UNLOADED=0] [L61] UNLOADED = 0 [L62] NP = 1 [L63] DC = 2 [L64] SKIP1 = 3 [L65] SKIP2 = 4 [L66] MPR1 = 5 [L67] MPR3 = 6 [L68] IPC = 7 [L69] s = UNLOADED [L70] pended = 0 [L71] compFptr = 0 [L72] compRegistered = 0 [L73] lowerDriverReturn = 0 [L74] setEventCalled = 0 [L75] customIrp = 0 VAL [\old(compFptr)=0, \old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DevicePowerState)=0, \old(Executive)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(UNLOADED)=0, compFptr=0, compRegistered=0, customIrp=0, DC=2, DevicePowerState=1, Executive=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=0, NP=1, pended=0, s=0, setEventCalled=0, SKIP1=3, SKIP2=4, UNLOADED=0] [L326] RET _BLAST_init() VAL [\old(compFptr)=0, \old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DevicePowerState)=0, \old(Executive)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(UNLOADED)=0, compFptr=0, compRegistered=0, customIrp=0, DC=2, DevicePowerState=1, devobj=0, Executive=0, IPC=7, irp=-2, irp_choice=0, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=0, NP=1, pended=0, pirp=-2, s=0, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, UNLOADED=0] [L328] COND TRUE status >= 0 [L329] s = NP [L330] customIrp = 0 [L331] setEventCalled = customIrp [L332] lowerDriverReturn = setEventCalled [L333] compRegistered = lowerDriverReturn [L334] pended = compRegistered [L335] pirp__IoStatus__Status = 0 [L336] myStatus = 0 VAL [\old(compFptr)=0, \old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DevicePowerState)=0, \old(Executive)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(UNLOADED)=0, compFptr=0, compRegistered=0, customIrp=0, DC=2, DevicePowerState=1, devobj=0, Executive=0, IPC=7, irp=-2, irp_choice=0, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=0, NP=1, pended=0, pirp=-2, pirp__IoStatus__Status=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, UNLOADED=0] [L337] COND TRUE irp_choice == 0 [L338] pirp__IoStatus__Status = -1073741637 [L339] myStatus = -1073741637 VAL [\old(compFptr)=0, \old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DevicePowerState)=0, \old(Executive)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(UNLOADED)=0, compFptr=0, compRegistered=0, customIrp=0, DC=2, DevicePowerState=1, devobj=0, Executive=0, IPC=7, irp=-2, irp_choice=0, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=0, pirp=-2, pirp__IoStatus__Status=-1073741637, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, UNLOADED=0] [L342] CALL stub_driver_init() VAL [\old(compFptr)=0, \old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DevicePowerState)=0, \old(Executive)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(UNLOADED)=0, compFptr=0, compRegistered=0, customIrp=0, DC=2, DevicePowerState=1, Executive=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, UNLOADED=0] [L47] s = NP [L48] pended = 0 [L49] compFptr = 0 [L50] compRegistered = 0 [L51] lowerDriverReturn = 0 [L52] setEventCalled = 0 [L53] customIrp = 0 VAL [\old(compFptr)=0, \old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DevicePowerState)=0, \old(Executive)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(UNLOADED)=0, compFptr=0, compRegistered=0, customIrp=0, DC=2, DevicePowerState=1, Executive=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, UNLOADED=0] [L342] RET stub_driver_init() VAL [\old(compFptr)=0, \old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DevicePowerState)=0, \old(Executive)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(UNLOADED)=0, compFptr=0, compRegistered=0, customIrp=0, DC=2, DevicePowerState=1, devobj=0, Executive=0, IPC=7, irp=-2, irp_choice=0, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=0, pirp=-2, pirp__IoStatus__Status=-1073741637, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, UNLOADED=0] [L345] COND FALSE !(status < 0) [L349] int tmp_ndt_1; [L350] tmp_ndt_1 = __VERIFIER_nondet_int() [L351] COND FALSE !(tmp_ndt_1 == 0) [L354] int tmp_ndt_2; [L355] tmp_ndt_2 = __VERIFIER_nondet_int() [L356] COND FALSE !(tmp_ndt_2 == 1) [L359] int tmp_ndt_3; [L360] tmp_ndt_3 = __VERIFIER_nondet_int() [L361] COND TRUE tmp_ndt_3 == 3 VAL [\old(compFptr)=0, \old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DevicePowerState)=0, \old(Executive)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(UNLOADED)=0, compFptr=0, compRegistered=0, customIrp=0, DC=2, DevicePowerState=1, devobj=0, Executive=0, IPC=7, irp=-2, irp_choice=0, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=0, pirp=-2, pirp__IoStatus__Status=-1073741637, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, tmp_ndt_1=1, tmp_ndt_2=-3, tmp_ndt_3=3, UNLOADED=0] [L388] CALL, EXPR KbFilter_PnP(devobj, pirp) VAL [\old(compFptr)=0, \old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DevicePowerState)=0, \old(Executive)=0, \old(IPC)=0, \old(Irp)=-2, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(UNLOADED)=0, compFptr=0, compRegistered=0, customIrp=0, DC=2, DevicePowerState=1, Executive=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, UNLOADED=0] [L80] int devExt ; [L81] int irpStack ; [L82] int status ; [L83] int event = __VERIFIER_nondet_int() ; [L84] int DeviceObject__DeviceExtension = __VERIFIER_nondet_int() ; [L85] int Irp__Tail__Overlay__CurrentStackLocation = __VERIFIER_nondet_int() ; [L86] int irpStack__MinorFunction = __VERIFIER_nondet_int() ; [L87] int devExt__TopOfStack = __VERIFIER_nondet_int() ; [L88] int devExt__Started ; [L89] int devExt__Removed ; [L90] int devExt__SurpriseRemoved ; [L91] int Irp__IoStatus__Status ; [L92] int Irp__IoStatus__Information ; [L93] int Irp__CurrentLocation = __VERIFIER_nondet_int() ; [L94] int irpSp ; [L95] int nextIrpSp ; [L96] int nextIrpSp__Control ; [L97] int irpSp___0 ; [L98] int irpSp__Context ; [L99] int irpSp__Control ; [L100] long __cil_tmp23 ; [L103] status = 0 [L104] devExt = DeviceObject__DeviceExtension [L105] irpStack = Irp__Tail__Overlay__CurrentStackLocation VAL [\old(compFptr)=0, \old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DevicePowerState)=0, \old(Executive)=0, \old(IPC)=0, \old(Irp)=-2, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(UNLOADED)=0, compFptr=0, compRegistered=0, customIrp=0, DC=2, devExt=-4, devExt__TopOfStack=0, DeviceObject=0, DeviceObject__DeviceExtension=-4, DevicePowerState=1, event=0, Executive=0, IPC=7, Irp=-2, Irp__CurrentLocation=0, Irp__Tail__Overlay__CurrentStackLocation=0, irpStack=0, irpStack__MinorFunction=2, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, UNLOADED=0] [L106] COND FALSE !(irpStack__MinorFunction == 0) VAL [\old(compFptr)=0, \old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DevicePowerState)=0, \old(Executive)=0, \old(IPC)=0, \old(Irp)=-2, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(UNLOADED)=0, compFptr=0, compRegistered=0, customIrp=0, DC=2, devExt=-4, devExt__TopOfStack=0, DeviceObject=0, DeviceObject__DeviceExtension=-4, DevicePowerState=1, event=0, Executive=0, IPC=7, Irp=-2, Irp__CurrentLocation=0, Irp__Tail__Overlay__CurrentStackLocation=0, irpStack=0, irpStack__MinorFunction=2, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, UNLOADED=0] [L109] COND FALSE !(irpStack__MinorFunction == 23) VAL [\old(compFptr)=0, \old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DevicePowerState)=0, \old(Executive)=0, \old(IPC)=0, \old(Irp)=-2, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(UNLOADED)=0, compFptr=0, compRegistered=0, customIrp=0, DC=2, devExt=-4, devExt__TopOfStack=0, DeviceObject=0, DeviceObject__DeviceExtension=-4, DevicePowerState=1, event=0, Executive=0, IPC=7, Irp=-2, Irp__CurrentLocation=0, Irp__Tail__Overlay__CurrentStackLocation=0, irpStack=0, irpStack__MinorFunction=2, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, UNLOADED=0] [L112] COND TRUE irpStack__MinorFunction == 2 VAL [\old(compFptr)=0, \old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DevicePowerState)=0, \old(Executive)=0, \old(IPC)=0, \old(Irp)=-2, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(UNLOADED)=0, compFptr=0, compRegistered=0, customIrp=0, DC=2, devExt=-4, devExt__TopOfStack=0, DeviceObject=0, DeviceObject__DeviceExtension=-4, DevicePowerState=1, event=0, Executive=0, IPC=7, Irp=-2, Irp__CurrentLocation=0, Irp__Tail__Overlay__CurrentStackLocation=0, irpStack=0, irpStack__MinorFunction=2, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, UNLOADED=0] [L236] devExt__Removed = 1 VAL [\old(compFptr)=0, \old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DevicePowerState)=0, \old(Executive)=0, \old(IPC)=0, \old(Irp)=-2, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(UNLOADED)=0, compFptr=0, compRegistered=0, customIrp=0, DC=2, devExt=-4, devExt__Removed=1, devExt__TopOfStack=0, DeviceObject=0, DeviceObject__DeviceExtension=-4, DevicePowerState=1, event=0, Executive=0, IPC=7, Irp=-2, Irp__CurrentLocation=0, Irp__Tail__Overlay__CurrentStackLocation=0, irpStack=0, irpStack__MinorFunction=2, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, UNLOADED=0] [L237] COND TRUE s == NP [L238] s = SKIP1 VAL [\old(compFptr)=0, \old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DevicePowerState)=0, \old(Executive)=0, \old(IPC)=0, \old(Irp)=-2, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(UNLOADED)=0, compFptr=0, compRegistered=0, customIrp=0, DC=2, devExt=-4, devExt__Removed=1, devExt__TopOfStack=0, DeviceObject=0, DeviceObject__DeviceExtension=-4, DevicePowerState=1, event=0, Executive=0, IPC=7, Irp=-2, Irp__CurrentLocation=0, Irp__Tail__Overlay__CurrentStackLocation=0, irpStack=0, irpStack__MinorFunction=2, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=0, s=3, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, UNLOADED=0] [L245] Irp__CurrentLocation ++ [L246] Irp__Tail__Overlay__CurrentStackLocation ++ VAL [\old(compFptr)=0, \old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DevicePowerState)=0, \old(Executive)=0, \old(IPC)=0, \old(Irp)=-2, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(UNLOADED)=0, compFptr=0, compRegistered=0, customIrp=0, DC=2, devExt=-4, devExt__Removed=1, devExt__TopOfStack=0, DeviceObject=0, DeviceObject__DeviceExtension=-4, DevicePowerState=1, event=0, Executive=0, IPC=7, Irp=-2, Irp__CurrentLocation=1, Irp__Tail__Overlay__CurrentStackLocation=1, irpStack=0, irpStack__MinorFunction=2, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=0, s=3, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, UNLOADED=0] [L247] CALL IofCallDriver(devExt__TopOfStack, Irp) VAL [\old(compFptr)=0, \old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DevicePowerState)=0, \old(Executive)=0, \old(IPC)=0, \old(Irp)=-2, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(pended)=0, \old(s)=3, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(UNLOADED)=0, compFptr=0, compRegistered=0, customIrp=0, DC=2, DevicePowerState=1, Executive=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=0, s=3, setEventCalled=0, SKIP1=3, SKIP2=4, UNLOADED=0] [L483] int returnVal2 ; [L484] int compRetStatus ; [L485] int lcontext = __VERIFIER_nondet_int() ; [L486] long long __cil_tmp7 ; VAL [\old(compFptr)=0, \old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DevicePowerState)=0, \old(Executive)=0, \old(IPC)=0, \old(Irp)=-2, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(pended)=0, \old(s)=3, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(UNLOADED)=0, compFptr=0, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DevicePowerState=1, Executive=0, IPC=7, Irp=-2, KernelMode=0, lcontext=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=0, s=3, setEventCalled=0, SKIP1=3, SKIP2=4, UNLOADED=0] [L489] COND FALSE !(\read(compRegistered)) VAL [\old(compFptr)=0, \old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DevicePowerState)=0, \old(Executive)=0, \old(IPC)=0, \old(Irp)=-2, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(pended)=0, \old(s)=3, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(UNLOADED)=0, compFptr=0, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DevicePowerState=1, Executive=0, IPC=7, Irp=-2, KernelMode=0, lcontext=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=0, s=3, setEventCalled=0, SKIP1=3, SKIP2=4, UNLOADED=0] [L502] int tmp_ndt_6; [L503] tmp_ndt_6 = __VERIFIER_nondet_int() [L504] COND FALSE !(tmp_ndt_6 == 0) [L507] int tmp_ndt_7; [L508] tmp_ndt_7 = __VERIFIER_nondet_int() [L509] COND TRUE tmp_ndt_7 == 1 VAL [\old(compFptr)=0, \old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DevicePowerState)=0, \old(Executive)=0, \old(IPC)=0, \old(Irp)=-2, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(pended)=0, \old(s)=3, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(UNLOADED)=0, compFptr=0, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DevicePowerState=1, Executive=0, IPC=7, Irp=-2, KernelMode=0, lcontext=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=0, s=3, setEventCalled=0, SKIP1=3, SKIP2=4, tmp_ndt_6=-5, tmp_ndt_7=1, UNLOADED=0] [L518] returnVal2 = -1073741823 VAL [\old(compFptr)=0, \old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DevicePowerState)=0, \old(Executive)=0, \old(IPC)=0, \old(Irp)=-2, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(pended)=0, \old(s)=3, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(UNLOADED)=0, compFptr=0, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DevicePowerState=1, Executive=0, IPC=7, Irp=-2, KernelMode=0, lcontext=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=0, returnVal2=-1073741823, s=3, setEventCalled=0, SKIP1=3, SKIP2=4, tmp_ndt_6=-5, tmp_ndt_7=1, UNLOADED=0] [L528] COND FALSE !(s == NP) VAL [\old(compFptr)=0, \old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DevicePowerState)=0, \old(Executive)=0, \old(IPC)=0, \old(Irp)=-2, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(pended)=0, \old(s)=3, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(UNLOADED)=0, compFptr=0, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DevicePowerState=1, Executive=0, IPC=7, Irp=-2, KernelMode=0, lcontext=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=0, returnVal2=-1073741823, s=3, setEventCalled=0, SKIP1=3, SKIP2=4, tmp_ndt_6=-5, tmp_ndt_7=1, UNLOADED=0] [L532] COND FALSE !(s == MPR1) VAL [\old(compFptr)=0, \old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DevicePowerState)=0, \old(Executive)=0, \old(IPC)=0, \old(Irp)=-2, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(pended)=0, \old(s)=3, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(UNLOADED)=0, compFptr=0, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DevicePowerState=1, Executive=0, IPC=7, Irp=-2, KernelMode=0, lcontext=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=0, returnVal2=-1073741823, s=3, setEventCalled=0, SKIP1=3, SKIP2=4, tmp_ndt_6=-5, tmp_ndt_7=1, UNLOADED=0] [L541] COND TRUE s == SKIP1 [L542] s = SKIP2 [L543] lowerDriverReturn = returnVal2 VAL [\old(compFptr)=0, \old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DevicePowerState)=0, \old(Executive)=0, \old(IPC)=0, \old(Irp)=-2, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(pended)=0, \old(s)=3, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(UNLOADED)=0, compFptr=0, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DevicePowerState=1, Executive=0, IPC=7, Irp=-2, KernelMode=0, lcontext=0, lowerDriverReturn=-1073741823, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=0, returnVal2=-1073741823, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, tmp_ndt_6=-5, tmp_ndt_7=1, UNLOADED=0] [L551] return (returnVal2); VAL [\old(compFptr)=0, \old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DevicePowerState)=0, \old(Executive)=0, \old(IPC)=0, \old(Irp)=-2, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(pended)=0, \old(s)=3, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(UNLOADED)=0, \result=-1073741823, compFptr=0, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DevicePowerState=1, Executive=0, IPC=7, Irp=-2, KernelMode=0, lcontext=0, lowerDriverReturn=-1073741823, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=0, returnVal2=-1073741823, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, tmp_ndt_6=-5, tmp_ndt_7=1, UNLOADED=0] [L247] RET IofCallDriver(devExt__TopOfStack, Irp) VAL [\old(compFptr)=0, \old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DevicePowerState)=0, \old(Executive)=0, \old(IPC)=0, \old(Irp)=-2, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(UNLOADED)=0, compFptr=0, compRegistered=0, customIrp=0, DC=2, devExt=-4, devExt__Removed=1, devExt__TopOfStack=0, DeviceObject=0, DeviceObject__DeviceExtension=-4, DevicePowerState=1, event=0, Executive=0, IofCallDriver(devExt__TopOfStack, Irp)=-1073741823, IPC=7, Irp=-2, Irp__CurrentLocation=1, Irp__Tail__Overlay__CurrentStackLocation=1, irpStack=0, irpStack__MinorFunction=2, KernelMode=0, lowerDriverReturn=-1073741823, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=0, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, UNLOADED=0] [L248] status = 0 VAL [\old(compFptr)=0, \old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DevicePowerState)=0, \old(Executive)=0, \old(IPC)=0, \old(Irp)=-2, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(UNLOADED)=0, compFptr=0, compRegistered=0, customIrp=0, DC=2, devExt=-4, devExt__Removed=1, devExt__TopOfStack=0, DeviceObject=0, DeviceObject__DeviceExtension=-4, DevicePowerState=1, event=0, Executive=0, IPC=7, Irp=-2, Irp__CurrentLocation=1, Irp__Tail__Overlay__CurrentStackLocation=1, irpStack=0, irpStack__MinorFunction=2, KernelMode=0, lowerDriverReturn=-1073741823, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=0, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, UNLOADED=0] [L290] return (status); VAL [\old(compFptr)=0, \old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DeviceObject)=0, \old(DevicePowerState)=0, \old(Executive)=0, \old(IPC)=0, \old(Irp)=-2, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=-1073741637, \old(NP)=0, \old(pended)=0, \old(s)=1, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(UNLOADED)=0, \result=0, compFptr=0, compRegistered=0, customIrp=0, DC=2, devExt=-4, devExt__Removed=1, devExt__TopOfStack=0, DeviceObject=0, DeviceObject__DeviceExtension=-4, DevicePowerState=1, event=0, Executive=0, IPC=7, Irp=-2, Irp__CurrentLocation=1, Irp__Tail__Overlay__CurrentStackLocation=1, irpStack=0, irpStack__MinorFunction=2, KernelMode=0, lowerDriverReturn=-1073741823, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=0, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, UNLOADED=0] [L388] RET, EXPR KbFilter_PnP(devobj, pirp) VAL [\old(compFptr)=0, \old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DevicePowerState)=0, \old(Executive)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(UNLOADED)=0, compFptr=0, compRegistered=0, customIrp=0, DC=2, DevicePowerState=1, devobj=0, Executive=0, IPC=7, irp=-2, irp_choice=0, KbFilter_PnP(devobj, pirp)=0, KernelMode=0, lowerDriverReturn=-1073741823, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=0, pirp=-2, pirp__IoStatus__Status=-1073741637, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, tmp_ndt_1=1, tmp_ndt_2=-3, tmp_ndt_3=3, UNLOADED=0] [L388] status = KbFilter_PnP(devobj, pirp) [L412] COND FALSE !(pended == 1) VAL [\old(compFptr)=0, \old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DevicePowerState)=0, \old(Executive)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(UNLOADED)=0, compFptr=0, compRegistered=0, customIrp=0, DC=2, DevicePowerState=1, devobj=0, Executive=0, IPC=7, irp=-2, irp_choice=0, KernelMode=0, lowerDriverReturn=-1073741823, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=0, pirp=-2, pirp__IoStatus__Status=-1073741637, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, tmp_ndt_1=1, tmp_ndt_2=-3, tmp_ndt_3=3, UNLOADED=0] [L420] COND FALSE !(pended == 1) VAL [\old(compFptr)=0, \old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DevicePowerState)=0, \old(Executive)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(UNLOADED)=0, compFptr=0, compRegistered=0, customIrp=0, DC=2, DevicePowerState=1, devobj=0, Executive=0, IPC=7, irp=-2, irp_choice=0, KernelMode=0, lowerDriverReturn=-1073741823, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=0, pirp=-2, pirp__IoStatus__Status=-1073741637, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, tmp_ndt_1=1, tmp_ndt_2=-3, tmp_ndt_3=3, UNLOADED=0] [L428] COND TRUE s != UNLOADED VAL [\old(compFptr)=0, \old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DevicePowerState)=0, \old(Executive)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(UNLOADED)=0, compFptr=0, compRegistered=0, customIrp=0, DC=2, DevicePowerState=1, devobj=0, Executive=0, IPC=7, irp=-2, irp_choice=0, KernelMode=0, lowerDriverReturn=-1073741823, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=0, pirp=-2, pirp__IoStatus__Status=-1073741637, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, tmp_ndt_1=1, tmp_ndt_2=-3, tmp_ndt_3=3, UNLOADED=0] [L429] COND TRUE status != -1 VAL [\old(compFptr)=0, \old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DevicePowerState)=0, \old(Executive)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(UNLOADED)=0, compFptr=0, compRegistered=0, customIrp=0, DC=2, DevicePowerState=1, devobj=0, Executive=0, IPC=7, irp=-2, irp_choice=0, KernelMode=0, lowerDriverReturn=-1073741823, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=0, pirp=-2, pirp__IoStatus__Status=-1073741637, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, tmp_ndt_1=1, tmp_ndt_2=-3, tmp_ndt_3=3, UNLOADED=0] [L430] COND FALSE !(s != SKIP2) VAL [\old(compFptr)=0, \old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DevicePowerState)=0, \old(Executive)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(UNLOADED)=0, compFptr=0, compRegistered=0, customIrp=0, DC=2, DevicePowerState=1, devobj=0, Executive=0, IPC=7, irp=-2, irp_choice=0, KernelMode=0, lowerDriverReturn=-1073741823, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=0, pirp=-2, pirp__IoStatus__Status=-1073741637, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, tmp_ndt_1=1, tmp_ndt_2=-3, tmp_ndt_3=3, UNLOADED=0] [L440] COND FALSE !(pended == 1) VAL [\old(compFptr)=0, \old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DevicePowerState)=0, \old(Executive)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(UNLOADED)=0, compFptr=0, compRegistered=0, customIrp=0, DC=2, DevicePowerState=1, devobj=0, Executive=0, IPC=7, irp=-2, irp_choice=0, KernelMode=0, lowerDriverReturn=-1073741823, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=0, pirp=-2, pirp__IoStatus__Status=-1073741637, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, tmp_ndt_1=1, tmp_ndt_2=-3, tmp_ndt_3=3, UNLOADED=0] [L447] COND FALSE !(s == DC) VAL [\old(compFptr)=0, \old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DevicePowerState)=0, \old(Executive)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(UNLOADED)=0, compFptr=0, compRegistered=0, customIrp=0, DC=2, DevicePowerState=1, devobj=0, Executive=0, IPC=7, irp=-2, irp_choice=0, KernelMode=0, lowerDriverReturn=-1073741823, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=0, pirp=-2, pirp__IoStatus__Status=-1073741637, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, tmp_ndt_1=1, tmp_ndt_2=-3, tmp_ndt_3=3, UNLOADED=0] [L452] COND TRUE status != lowerDriverReturn VAL [\old(compFptr)=0, \old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DevicePowerState)=0, \old(Executive)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(UNLOADED)=0, compFptr=0, compRegistered=0, customIrp=0, DC=2, DevicePowerState=1, devobj=0, Executive=0, IPC=7, irp=-2, irp_choice=0, KernelMode=0, lowerDriverReturn=-1073741823, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=0, pirp=-2, pirp__IoStatus__Status=-1073741637, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, tmp_ndt_1=1, tmp_ndt_2=-3, tmp_ndt_3=3, UNLOADED=0] [L453] CALL errorFn() VAL [\old(compFptr)=0, \old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DevicePowerState)=0, \old(Executive)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(UNLOADED)=0, compFptr=0, compRegistered=0, customIrp=0, DC=2, DevicePowerState=1, Executive=0, IPC=7, KernelMode=0, lowerDriverReturn=-1073741823, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=0, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, UNLOADED=0] [L1013] reach_error() VAL [\old(compFptr)=0, \old(compRegistered)=0, \old(customIrp)=0, \old(DC)=0, \old(DevicePowerState)=0, \old(Executive)=0, \old(IPC)=0, \old(KernelMode)=0, \old(lowerDriverReturn)=0, \old(MPR1)=0, \old(MPR3)=0, \old(myStatus)=0, \old(NP)=0, \old(pended)=0, \old(s)=0, \old(setEventCalled)=0, \old(SKIP1)=0, \old(SKIP2)=0, \old(UNLOADED)=0, compFptr=0, compRegistered=0, customIrp=0, DC=2, DevicePowerState=1, Executive=0, IPC=7, KernelMode=0, lowerDriverReturn=-1073741823, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=0, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, UNLOADED=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 18 procedures, 240 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 16.3s, OverallIterations: 24, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 12.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 10522 SdHoareTripleChecker+Valid, 9.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 10502 mSDsluCounter, 13447 SdHoareTripleChecker+Invalid, 7.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 7968 mSDsCounter, 2015 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 15991 IncrementalHoareTripleChecker+Invalid, 18006 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2015 mSolverCounterUnsat, 5479 mSDtfsCounter, 15991 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 484 GetRequests, 207 SyntacticMatches, 1 SemanticMatches, 276 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 447 ImplicationChecksByTransitivity, 3.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=344occurred in iteration=3, InterpolantAutomatonStates: 238, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 23 MinimizatonAttempts, 240 StatesRemovedByMinimization, 14 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 3.3s InterpolantComputationTime, 1184 NumberOfCodeBlocks, 1184 NumberOfCodeBlocksAsserted, 24 NumberOfCheckSat, 1105 ConstructedInterpolants, 0 QuantifiedInterpolants, 5499 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 23 InterpolantComputations, 23 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2022-03-17 23:16:27,873 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...